# RetroArch \- Nestopia

Summer DB entity ID: d5d322a1\-cac8\-4710\-be6d\-216b956f319f

Steam App ID: 1222635

Nestopia is a portable and cycle\-accurate emu written in C\+\+\. Nestopia UE \(Undead Edition\) is a fork of the original source code, with enhancements from members of the emulation community\. This includes support for new platforms, and bug fixes in the emulator core\.

## Game information

- Type: dlc

- Developer: Libretro, Martin Freij, R\. Belmont, R\. Danbrook

- Publisher: Libretro

- Release date: Nov 9, 2021

- Coming soon: false

- Free to play: true

- Parent Steam app: 1118310

- Genres: Free To Play

- Categories: Single\-player, Multi\-player, PvP, Online PvP, Shared/Split Screen PvP, Co\-op, Online 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/1222635/ss\_ce8bfd8c2388d838de64c531c8a9efbbc7ed6f2e\.1920x1080\.jpg?t=1677705395, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1222635/ss\_148cddfd9eb2a6e306a7b4b5a6b8a5a715b4d960\.1920x1080\.jpg?t=1677705395, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1222635/ss\_776f8468bfa66d44b6e522cded71529cfaf62fd1\.1920x1080\.jpg?t=1677705395, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1222635/ss\_11cf82edd30f7dfdf9125b3ed9ff558b61adfdfe\.1920x1080\.jpg?t=1677705395, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1222635/ss\_521a5947c2f5924c2217182897b30b8e760f9935\.1920x1080\.jpg?t=1677705395

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: Not collected

- Steam review count: 22

- Steam positive reviews: 22

- 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/d5d322a1-cac8-4710-be6d-216b956f319f/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/d5d322a1-cac8-4710-be6d-216b956f319f/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\-24T17:41:37\.849855\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-24T17:41:38\.886119\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1222635/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1222635"\},"price":null,"source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T17:41:37\.849855\+00:00","players":null,"reviews":"2026\-09\-24T17:41:38\.886119\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"2e52c5a7\-82b4\-47e4\-95f6\-eaf7982a8cf9","details":"325012ed\-c900\-4d66\-ae49\-5a58962da571","players":null,"reviews":"83e7fb00\-041c\-4335\-9f6d\-0c896e0aa67b"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"d5d322a1\-cac8\-4710\-be6d\-216b956f319f","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/1222635/) · [JSON](/api/v1/games/d5d322a1-cac8-4710-be6d-216b956f319f)