# Happy World

Summer DB entity ID: 193ec94b\-9206\-4d59\-accc\-d96472c3c153

Steam App ID: 1079890

At the end of environmental pollution, powerful viruses break out on the Earth\.  Players carry vaccines to treat mutated people and the Earth\.  Clean up the viruses and get to your destination as fast as you can\.    In single play\-mode, cross the obstacles and viruses,  and in multi play\-mode, compete with your colleagues to prove yourself an outstanding carrier\.

## Game information

- Type: game

- Developer: SEO HYO JIN

- Publisher: SEO HYO JIN

- Release date: May 23, 2019

- Coming soon: false

- Free to play: true

- Parent Steam app: Not collected

- Genres: Adventure, Casual, Indie, Racing, Early Access

- Categories: Single\-player, Multi\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_43a09b6ce02930a65bb5b7a6f6223bfc2650e0e3\.1920x1080\.jpg?t=1775034439, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_5c048a388f377e8c8f836777d89983209ad622b3\.1920x1080\.jpg?t=1775034439, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_524e7980da8eee14c805ab4abb8779e1a7a40d61\.1920x1080\.jpg?t=1775034439, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_892439f07f81b425cc5769957b0bc48c39320ca7\.1920x1080\.jpg?t=1775034439, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_058868f1dacea0cc005e2df954b3f6a01a5c799f\.1920x1080\.jpg?t=1775034439, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1079890/ss\_faa682358986ff6a830161a76201f41595b21d97\.1920x1080\.jpg?t=1775034439

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: 0

- Steam review count: 12

- Steam positive reviews: 9

- Steam negative reviews: 3

- Steam positive percentage: 75%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/193ec94b-9206-4d59-accc-d96472c3c153/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/193ec94b-9206-4d59-accc-d96472c3c153/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-24T06:19:23\.45888\+00:00

- Player count observed: 2026\-09\-24T06:19:24\.811709\+00:00

- Reviews observed: 2026\-09\-24T06:19:24\.518259\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1079890/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=1079890","reviews":"https://store\.steampowered\.com/appreviews/1079890"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T06:19:23\.45888\+00:00","players":"2026\-09\-24T06:19:24\.811709\+00:00","reviews":"2026\-09\-24T06:19:24\.518259\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"c9b2593b\-2116\-442c\-93c2\-7117a2240ec7","details":"c7d30b3e\-0963\-4c4f\-a7bc\-4a94b942cf90","players":"aaeb4885\-19c6\-489d\-8e27\-92fe8dd5e14b","reviews":"b21f8ac3\-e580\-4272\-a245\-45083b5e7898"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"193ec94b\-9206\-4d59\-accc\-d96472c3c153","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/1079890/) · [JSON](/api/v1/games/193ec94b-9206-4d59-accc-d96472c3c153)