# RetroArch \- Mesen

Summer DB entity ID: aa66a7f9\-a4e4\-4c5d\-9451\-0097fbb6a458

Steam App ID: 1205330

Mesen is a highly accurate and feature\-filled emulator with support for tons of cartridge mappers \(even ones used for weird, unauthorized carts\), custom color palettes and HD asset packs\. As a libretro core, Mesen supports many advanced features, like softpatching and achievements \(through the RetroAchievements service\)\.

## Game information

- Type: dlc

- Developer: Sour, Libretro

- Publisher: Libretro

- Release date: Jun 15, 2020

- Coming soon: false

- Free to play: true

- Parent Steam app: 1118310

- Genres: Free To Play

- Categories: Single\-player, Multi\-player, PvP, LAN PvP, Shared/Split Screen PvP, Co\-op, LAN Co\-op, Shared/Split Screen Co\-op, Shared/Split Screen, Cross\-Platform Multiplayer, Downloadable Content, Full controller support, Remote Play on TV, Remote Play Together, Family Sharing

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1205330/ss\_8c0f276c174580d107a69b5afaf29ce993c9d200\.1920x1080\.jpg?t=1677703581, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1205330/ss\_4eaa89443972fac9e3c4555a2e3fb9d50efbf9b8\.1920x1080\.jpg?t=1677703581, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1205330/ss\_96cb1aa5a226919c4d08e5d16819d8738cf622a8\.1920x1080\.jpg?t=1677703581, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1205330/ss\_255f5b8ca14321a1702bfa24fb668875216759f9\.1920x1080\.jpg?t=1677703581, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1205330/ss\_2b49971e07048436cfa63a5e9e3d9c54765775e1\.1920x1080\.jpg?t=1677703581

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: Not collected

- Steam review count: 25

- Steam positive reviews: 25

- Steam negative reviews: 0

- Steam positive percentage: 100%

- 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/aa66a7f9-a4e4-4c5d-9451-0097fbb6a458/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/aa66a7f9-a4e4-4c5d-9451-0097fbb6a458/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\-24T16:24:02\.155661\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-24T16:24:03\.27368\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1205330/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1205330"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T16:24:02\.155661\+00:00","players":null,"reviews":"2026\-09\-24T16:24:03\.27368\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"3352023e\-1be0\-436b\-a4a0\-94648c76c978","details":"30db2324\-ae71\-4074\-b1b9\-3e0ef8f110fe","players":null,"reviews":"c346b681\-81b1\-4076\-89e2\-bfb4e4f6fa85"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"aa66a7f9\-a4e4\-4c5d\-9451\-0097fbb6a458","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/1205330/) · [JSON](/api/v1/games/aa66a7f9-a4e4-4c5d-9451-0097fbb6a458)