diff --git a/public/images/player-settings.svg b/public/images/settings.svg
similarity index 100%
rename from public/images/player-settings.svg
rename to public/images/settings.svg
diff --git a/src/config/env.tsx b/src/config/env.tsx
index e97a18a1..284b1643 100644
--- a/src/config/env.tsx
+++ b/src/config/env.tsx
@@ -1,3 +1,13 @@
+import includes from 'lodash/includes'
+
+export type ENVType = NodeJS.ProcessEnv['REACT_APP_ENV']
+
+const apis: Array<ENVType> = ['staging', 'preproduction', 'production']
+
+export const isValidEnv = (value: string): value is ENVType => (
+  Boolean(value) && includes(apis, value)
+)
+
 export const ENV = process.env.REACT_APP_ENV || 'staging'
 
 export const isProduction = ENV === 'production' || ENV === 'preproduction'
diff --git a/src/config/routes.tsx b/src/config/routes.tsx
index 58a19ef6..06912cb2 100644
--- a/src/config/routes.tsx
+++ b/src/config/routes.tsx
@@ -1,6 +1,8 @@
-import { ENV } from './env'
+import { readSelectedApi } from 'helpers/selectedApi'
 
-const APIS = {
+import { ENV, isProduction } from './env'
+
+export const APIS = {
   preproduction: {
     api: 'https://api-test.instat.tv',
     auth: 'https://auth.instat.tv',
@@ -15,6 +17,8 @@ const APIS = {
   },
 }
 
-export const AUTH_SERVICE = APIS[ENV].auth
-export const API_ROOT = APIS[ENV].api
+const env = isProduction ? ENV : readSelectedApi() ?? ENV
+
+export const AUTH_SERVICE = APIS[env].auth
+export const API_ROOT = APIS[env].api
 export const DATA_URL = `${API_ROOT}/data`
diff --git a/src/features/Animation/index.tsx b/src/features/Animation/index.tsx
new file mode 100644
index 00000000..a6e63f95
--- /dev/null
+++ b/src/features/Animation/index.tsx
@@ -0,0 +1,28 @@
+import type { ReactNode } from 'react'
+import styled, { keyframes } from 'styled-components/macro'
+
+const fadeIn = keyframes`
+  0% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+`
+
+const Wrapper = styled.div`
+  opacity: 1;
+  animation-name: ${fadeIn};
+  animation-iteration-count: 1;
+  animation-timing-function: ease-in-out;
+  animation-duration: 0.3s;
+`
+
+type Props = {
+  children: ReactNode,
+  className?: string,
+}
+
+export const FadeIn = ({ children, className }: Props) => (
+  <Wrapper className={className}>{children}</Wrapper>
+)
diff --git a/src/features/App/AuthenticatedApp.tsx b/src/features/App/AuthenticatedApp.tsx
index a25d174b..4edb35ef 100644
--- a/src/features/App/AuthenticatedApp.tsx
+++ b/src/features/App/AuthenticatedApp.tsx
@@ -7,7 +7,8 @@ import {
 } from 'react-router-dom'
 
 import { indexLexics } from 'config/lexics/indexLexics'
-import { PAGES } from 'config'
+import { isProduction } from 'config/env'
+import { PAGES } from 'config/pages'
 
 import { StripeElements } from 'features/StripeElements'
 
@@ -28,6 +29,7 @@ const TeamPage = lazy(() => import('features/TeamPage'))
 const MatchPage = lazy(() => import('features/MatchPage'))
 const PlayerPage = lazy(() => import('features/PlayerPage'))
 const TournamentPage = lazy(() => import('features/TournamentPage'))
+const SystemSettings = lazy(() => import('features/SystemSettings'))
 
 export const AuthenticatedApp = () => {
   useLexicsConfig(indexLexics)
@@ -69,6 +71,7 @@ export const AuthenticatedApp = () => {
                         </Route>
                         <Redirect to={PAGES.home} />
                       </Switch>
+                      {!isProduction && <SystemSettings />}
                     </NoNetworkPopupStore>
                   </BuyMatchPopupStore>
                 </MatchPopupStore>
diff --git a/src/features/Combobox/hooks/index.tsx b/src/features/Combobox/hooks/index.tsx
index f48e67e7..be5ce81a 100644
--- a/src/features/Combobox/hooks/index.tsx
+++ b/src/features/Combobox/hooks/index.tsx
@@ -88,8 +88,8 @@ export const useCombobox = <T extends Option>({
     onSelect,
   ])
 
-  const onOutsideClick = (event: MouseEvent) => {
-    if (event.target !== inputFieldRef.current) {
+  const onOutsideClick = (event?: MouseEvent) => {
+    if (event?.target !== inputFieldRef.current) {
       close()
     }
   }
diff --git a/src/features/HeaderFilters/components/DateFilter/index.tsx b/src/features/HeaderFilters/components/DateFilter/index.tsx
index bc7233e7..8fca5e27 100644
--- a/src/features/HeaderFilters/components/DateFilter/index.tsx
+++ b/src/features/HeaderFilters/components/DateFilter/index.tsx
@@ -1,7 +1,10 @@
+import { Fragment } from 'react'
+
 import map from 'lodash/map'
 
 import { OutsideClick } from 'features/OutsideClick'
 import { Date as DateIcon } from 'features/Icons/Date'
+import { BodyBackdrop } from 'features/PageLayout'
 
 import { useDateFilter } from './hooks'
 import { DatePicker } from '../DatePicker'
@@ -73,13 +76,16 @@ export const DateFilter = () => {
       </WeekDaysWrapper>
       {
         isOpen && (
-          <OutsideClick onClick={close}>
-            <DatePicker
-              open
-              selected={selectedDate}
-              onChange={onDateChange}
-            />
-          </OutsideClick>
+          <Fragment>
+            <OutsideClick onClick={close}>
+              <DatePicker
+                open
+                selected={selectedDate}
+                onChange={onDateChange}
+              />
+            </OutsideClick>
+            <BodyBackdrop />
+          </Fragment>
         )
       }
     </Wrapper>
diff --git a/src/features/HeaderFilters/components/DatePicker/index.tsx b/src/features/HeaderFilters/components/DatePicker/index.tsx
index eafcb1b6..5be2baea 100644
--- a/src/features/HeaderFilters/components/DatePicker/index.tsx
+++ b/src/features/HeaderFilters/components/DatePicker/index.tsx
@@ -3,7 +3,6 @@ import DatePickerComponent from 'react-datepicker'
 import 'react-datepicker/dist/react-datepicker.css'
 
 import { useLexicsStore } from 'features/LexicsStore'
-import { BodyBackdrop } from 'features/PageLayout'
 
 import { getDisplayDate } from '../DateFilter/helpers'
 import { useDatepickerLocales } from './hooks'
@@ -58,7 +57,6 @@ export const DatePicker = ({
   useDatepickerLocales()
   return (
     <Wrapper>
-      <BodyBackdrop />
       <DatePickerComponent
         open={open}
         selected={selected}
diff --git a/src/features/HeaderFilters/components/DatePicker/styled.tsx b/src/features/HeaderFilters/components/DatePicker/styled.tsx
index 125915c5..dec6b9be 100644
--- a/src/features/HeaderFilters/components/DatePicker/styled.tsx
+++ b/src/features/HeaderFilters/components/DatePicker/styled.tsx
@@ -5,12 +5,12 @@ import { BaseButton } from '../DateFilter/styled'
 
 export const Wrapper = styled.div`
   position: absolute;
-  top: calc(2.35rem);
+  top: 3.5rem;
   right: 11rem;
   z-index: 10;
   ${isMobileDevice
     ? css`
-      top: 50px;
+      top: 45px;
       right: -10%;
       width: 100%;
 
diff --git a/src/features/MultiSourcePlayer/components/Settings/styled.tsx b/src/features/MultiSourcePlayer/components/Settings/styled.tsx
index 732ce9af..c90c555d 100644
--- a/src/features/MultiSourcePlayer/components/Settings/styled.tsx
+++ b/src/features/MultiSourcePlayer/components/Settings/styled.tsx
@@ -6,7 +6,7 @@ export const SettingsButton = styled(ButtonBase)`
   width: 22px;
   height: 20px;
   margin-left: 25px;
-  background-image: url(/images/player-settings.svg);
+  background-image: url(/images/settings.svg);
 
   ${isMobileDevice
     ? css`
diff --git a/src/features/OutsideClick/hooks/index.tsx b/src/features/OutsideClick/hooks/index.tsx
index b8c7c8aa..9c80fd7e 100644
--- a/src/features/OutsideClick/hooks/index.tsx
+++ b/src/features/OutsideClick/hooks/index.tsx
@@ -3,7 +3,7 @@ import { useRef } from 'react'
 import { useEventListener } from 'hooks'
 
 type Args = {
-  onClick: (event: MouseEvent) => void,
+  onClick: (event?: MouseEvent) => void,
 }
 
 export const useOutsideClickEffect = ({
@@ -21,7 +21,14 @@ export const useOutsideClickEffect = ({
     }
   }
 
+  const onKeyPress = (e: KeyboardEvent) => {
+    if (e.key === 'Escape') {
+      onClick()
+    }
+  }
+
   useEventListener({ callback: handleOutsideClick, event: 'click' })
+  useEventListener({ callback: onKeyPress, event: 'keydown' })
 
   return wrapperRef
 }
diff --git a/src/features/OutsideClick/index.tsx b/src/features/OutsideClick/index.tsx
index 0376992d..ddfa62aa 100644
--- a/src/features/OutsideClick/index.tsx
+++ b/src/features/OutsideClick/index.tsx
@@ -8,7 +8,7 @@ type Props = {
   /** элемент, которому необходим функционал `OutsideClick` */
   children: ReactNode,
   /** функция-коллбек, отрабатывающая по клику вне области элемента */
-  onClick: (event: MouseEvent) => void,
+  onClick: (event?: MouseEvent) => void,
 }
 
 const OutsideClickWrapper = styled.div``
diff --git a/src/features/SystemSettings/components/APISettings/index.tsx b/src/features/SystemSettings/components/APISettings/index.tsx
new file mode 100644
index 00000000..e4036946
--- /dev/null
+++ b/src/features/SystemSettings/components/APISettings/index.tsx
@@ -0,0 +1,70 @@
+import { Fragment } from 'react'
+import styled from 'styled-components/macro'
+
+import map from 'lodash/map'
+
+import type { ENVType } from 'config/env'
+import { APIS } from 'config/routes'
+
+import { RadioGroup, RadioButton } from '../RadioButtons'
+
+import { SettingsDescription } from '../../styled'
+
+const Details = styled.span`
+  margin-top: 4px;
+  font-size: 10px;
+  text-transform: initial;
+`
+
+const getHost = (url: string) => new URL(url).host
+
+type Option = {
+  details: string,
+  key: ENVType,
+  label: string,
+}
+
+const options: Array<Option> = [
+  {
+    details: getHost(APIS.staging.api),
+    key: 'staging',
+    label: 'Стейджинг',
+  },
+  {
+    details: getHost(APIS.preproduction.api),
+    key: 'preproduction',
+    label: 'Тест',
+  },
+  {
+    details: getHost(APIS.production.api),
+    key: 'production',
+    label: 'Продакшн',
+  },
+]
+
+type Props = {
+  onChange?: (value: ENVType) => void,
+  selectedApi: ENVType,
+}
+
+export const APISettings = ({ onChange, selectedApi }: Props) => (
+  <Fragment>
+    <SettingsDescription>Подключенный API</SettingsDescription>
+    <RadioGroup>
+      {
+        map(options, (option) => (
+          <RadioButton
+            key={option.key}
+            name='api'
+            onChange={onChange}
+            value={option.key}
+            defaultChecked={option.key === selectedApi}
+          >
+            {option.label}
+            <Details>{option.details}</Details>
+          </RadioButton>
+        ))
+      }
+    </RadioGroup>
+  </Fragment>
+)
diff --git a/src/features/SystemSettings/components/RadioButtons/index.tsx b/src/features/SystemSettings/components/RadioButtons/index.tsx
new file mode 100644
index 00000000..3a874685
--- /dev/null
+++ b/src/features/SystemSettings/components/RadioButtons/index.tsx
@@ -0,0 +1,47 @@
+import React, { ReactNode } from 'react'
+
+import {
+  Group,
+  RadioWrapper,
+  Label,
+  Input,
+} from './styled'
+
+type Props<T> = {
+  children: ReactNode,
+  defaultChecked?: boolean,
+  name?: string,
+  onChange?: (value: T) => void,
+  value: T,
+}
+
+export const RadioButton = <T extends string>({
+  children,
+  defaultChecked,
+  name,
+  onChange,
+  value,
+}: Props<T>) => (
+  <RadioWrapper>
+    <Label htmlFor={`${name}_${value}`}>
+      {children}
+    </Label>
+    <Input
+      id={`${name}_${value}`}
+      name={name}
+      value={value}
+      defaultChecked={defaultChecked}
+      onChange={(e) => onChange?.(e.target.value as T)}
+    />
+  </RadioWrapper>
+)
+
+type RadioGroupProps = {
+  children: ReactNode,
+}
+
+export const RadioGroup = ({ children }: RadioGroupProps) => (
+  <Group>
+    {children}
+  </Group>
+)
diff --git a/src/features/SystemSettings/components/RadioButtons/stories.tsx b/src/features/SystemSettings/components/RadioButtons/stories.tsx
new file mode 100644
index 00000000..c13bd94b
--- /dev/null
+++ b/src/features/SystemSettings/components/RadioButtons/stories.tsx
@@ -0,0 +1,45 @@
+import { useState } from 'react'
+
+import { RadioGroup, RadioButton } from '.'
+
+const Story = {
+  component: RadioGroup,
+  title: 'RadioButtons',
+}
+
+export default Story
+
+export const TwoButtons = () => {
+  const [selected, setSelected] = useState('1')
+
+  return (
+    <div style={{ width: 400 }}>
+      <RadioGroup>
+        <RadioButton
+          defaultChecked={selected === '0'}
+          name='api'
+          value='0'
+          onChange={setSelected}
+        >
+          Staging
+        </RadioButton>
+        <RadioButton
+          defaultChecked={selected === '1'}
+          name='api'
+          value='1'
+          onChange={setSelected}
+        >
+          Test
+        </RadioButton>
+        <RadioButton
+          defaultChecked={selected === '2'}
+          name='api'
+          value='2'
+          onChange={setSelected}
+        >
+          Production
+        </RadioButton>
+      </RadioGroup>
+    </div>
+  )
+}
diff --git a/src/features/SystemSettings/components/RadioButtons/styled.tsx b/src/features/SystemSettings/components/RadioButtons/styled.tsx
new file mode 100644
index 00000000..f9343f41
--- /dev/null
+++ b/src/features/SystemSettings/components/RadioButtons/styled.tsx
@@ -0,0 +1,56 @@
+import styled from 'styled-components/macro'
+
+export const Group = styled.div`
+  padding: 6px;
+  display: flex;
+  border-radius: 6px;
+  background-color: #1C1C1E;
+`
+
+type WrapperProps = {
+  checked?: boolean,
+}
+
+export const RadioWrapper = styled.div<WrapperProps>`
+  position: relative;
+  flex: 1;
+  font-size: 12px;
+  border-radius: inherit;
+  color: white;
+  display: flex;
+  align-items: center;
+`
+
+export const Label = styled.label`
+  display: flex;
+  flex-direction: column;
+  z-index: 1;
+  width: 100%;
+  padding: 8px;
+  cursor: pointer;
+  text-transform: uppercase;
+`
+
+export const Input = styled.input.attrs(
+  () => ({
+    type: 'radio',
+  }),
+)`
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  appearance: none;
+  margin: 0;
+  transition: background-color 0.3s;
+  border-radius: inherit;
+
+  :checked {
+    background-color: #45464b;
+  }
+
+  :hover {
+    background-color: #2c2c30;
+  }
+`
diff --git a/src/features/SystemSettings/hooks.tsx b/src/features/SystemSettings/hooks.tsx
new file mode 100644
index 00000000..b5204ec6
--- /dev/null
+++ b/src/features/SystemSettings/hooks.tsx
@@ -0,0 +1,47 @@
+import type { FormEvent } from 'react'
+
+import {
+  ENV,
+  ENVType,
+  isValidEnv,
+} from 'config/env'
+import { SELECTED_API_KEY } from 'helpers/selectedApi'
+
+import { useToggle } from 'hooks/useToggle'
+import { useLocalStore } from 'hooks/useStorage'
+
+type FormElement = HTMLFormElement & {
+  api: HTMLInputElement & {
+    value: ENVType,
+  },
+}
+
+export const useSystemSettings = () => {
+  const {
+    close,
+    isOpen,
+    open,
+  } = useToggle()
+
+  const [selectedApi, setSelectedApi] = useLocalStore({
+    defaultValue: ENV,
+    key: SELECTED_API_KEY,
+    validator: isValidEnv,
+  })
+
+  const onSubmit = (e: FormEvent<FormElement>) => {
+    e.preventDefault()
+
+    const { api } = e.currentTarget
+    setSelectedApi(api.value)
+    window.location.reload()
+  }
+
+  return {
+    close,
+    isOpen,
+    onSubmit,
+    open,
+    selectedApi,
+  }
+}
diff --git a/src/features/SystemSettings/index.tsx b/src/features/SystemSettings/index.tsx
new file mode 100644
index 00000000..c3e7e240
--- /dev/null
+++ b/src/features/SystemSettings/index.tsx
@@ -0,0 +1,62 @@
+import { Fragment } from 'react'
+
+import { OutsideClick } from 'features/OutsideClick'
+
+import { APISettings } from './components/APISettings'
+import { useSystemSettings } from './hooks'
+
+import {
+  FadeIn,
+  Form,
+  Content,
+  Footer,
+  Header,
+  HeaderTitle,
+  TriggerButton,
+  ApplyButton,
+  CloseButton,
+} from './styled'
+
+const SystemSettings = () => {
+  const {
+    close,
+    isOpen,
+    onSubmit,
+    open,
+    selectedApi,
+  } = useSystemSettings()
+
+  return (
+    <Fragment>
+      <TriggerButton aria-label='Settings' onClick={open} />
+      {
+        isOpen && (
+          <FadeIn>
+            <OutsideClick onClick={close}>
+              <Form onSubmit={onSubmit}>
+                <Header>
+                  <HeaderTitle>Настройки</HeaderTitle>
+                  <CloseButton
+                    aria-label='Close'
+                    type='button'
+                    onClick={close}
+                  >
+                    X
+                  </CloseButton>
+                </Header>
+                <Content>
+                  <APISettings selectedApi={selectedApi} />
+                </Content>
+                <Footer>
+                  <ApplyButton>Применить</ApplyButton>
+                </Footer>
+              </Form>
+            </OutsideClick>
+          </FadeIn>
+        )
+      }
+    </Fragment>
+  )
+}
+
+export default SystemSettings
diff --git a/src/features/SystemSettings/styled.tsx b/src/features/SystemSettings/styled.tsx
new file mode 100644
index 00000000..c4bc0712
--- /dev/null
+++ b/src/features/SystemSettings/styled.tsx
@@ -0,0 +1,127 @@
+import styled from 'styled-components/macro'
+
+import { devices } from 'config/devices'
+
+import { FadeIn as FadeInBase } from 'features/Animation'
+
+export const FadeIn = styled(FadeInBase)`
+  z-index: 1000000;
+`
+
+export const Form = styled.form`
+  --spacing-medium: 12px;
+  --spacing-large: 20px;
+  --radius: 8px;
+  position: fixed;
+  bottom: 0;
+  right: 0;
+  width: 390px;
+  max-height: 500px;
+  border-radius: var(--radius);
+  box-shadow: 0 7px 10px 2px rgb(0, 0, 0);
+  margin: var(--spacing-large);
+  padding: var(--spacing-medium);
+  background-color: #333333;
+  color: white;
+  text-align: center;
+
+  @media ${devices.mobile} {
+    --spacing-large: 12px;
+    width: calc(100% - var(--spacing-large) * 2);
+  }
+`
+
+export const Header = styled.div`
+  position: relative;
+`
+export const HeaderTitle = styled.h3`
+  font-size: 20px;
+`
+
+export const Content = styled.div`
+  width: 100%;
+  height: 100%;
+  margin-top: var(--spacing-medium);
+  display: flex;
+  flex-direction: column;
+`
+
+export const SettingsDescription = styled.p`
+  padding: 8px;
+  font-size: 14px;
+  text-align: left;
+`
+
+export const Footer = styled.div`
+  margin-top: var(--spacing-medium);
+`
+
+const BaseButton = styled.button`
+  appearance: none;
+  border: none;
+  background: none;
+  padding: 0;
+  cursor: pointer;
+`
+
+export const TriggerButton = styled(BaseButton)`
+  position: fixed;
+  z-index: 10;
+  bottom: 0;
+  right: 150px;
+  margin: 14px;
+
+  width: 46px;
+  height: 46px;
+
+  border-radius: 50%;
+  background-color: #333333;
+  background-image: url(/images/settings.svg);
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: 16px;
+  transition: background-color 0.3s;
+  box-shadow: 0px 3px 5px 1px rgb(0 0 0);
+
+  :hover {
+    background-color: #45464b;
+  }
+
+  @media ${devices.mobile} {
+    right: 70px;
+    margin: 12px;
+  }
+`
+
+export const ApplyButton = styled(BaseButton)`
+  width: 100%;
+  padding: var(--spacing-medium);
+  font-size: 16px;
+  color: white;
+  border-radius: var(--radius);
+
+  background-color: ${({ theme }) => theme.colors.button};
+
+  :hover {
+    background-color: ${({ theme }) => theme.colors.buttonHover};
+  }
+`
+
+export const CloseButton = styled(BaseButton)`
+  position: absolute;
+  top: 50%;
+  right: 0;
+  transform: translateY(-50%);
+  width: 24px;
+  height: 24px;
+
+  font-size: 10px;
+  color: white;
+  background-color: #45464b;
+  transition: background-color 0.3s;
+  border-radius: 50%;
+
+  :hover {
+    background-color: #595959
+  }
+`
diff --git a/src/features/Theme/config.tsx b/src/features/Theme/config.tsx
index bdbb92c5..f97b844f 100644
--- a/src/features/Theme/config.tsx
+++ b/src/features/Theme/config.tsx
@@ -5,6 +5,7 @@ export const lightTheme = {
     black40: '',
     black70: '',
     button: '',
+    buttonHover: '',
     error: '',
     inputs: '',
     primary: '',
@@ -32,6 +33,7 @@ export const darkTheme = {
     black40: 'rgba(0, 0, 0, 0.4)',
     black70: 'rgba(0, 0, 0, 0.7)',
     button: '#294FC3',
+    buttonHover: '#3255be',
     error: 'rgba(235, 87, 87, 1)',
     inputs: '#3F3F3F',
     primary: `
diff --git a/src/helpers/selectedApi/index.tsx b/src/helpers/selectedApi/index.tsx
new file mode 100644
index 00000000..c22adc56
--- /dev/null
+++ b/src/helpers/selectedApi/index.tsx
@@ -0,0 +1,14 @@
+import { isValidEnv } from 'config/env'
+
+export const SELECTED_API_KEY = 'selected_api'
+
+export const readSelectedApi = () => {
+  const rawValue = localStorage.getItem(SELECTED_API_KEY)
+  if (!rawValue) return null
+
+  const selectedApi = JSON.parse(rawValue)
+  if (selectedApi && isValidEnv(selectedApi)) {
+    return selectedApi
+  }
+  return null
+}