Do NOT say 21!
A free AI slop counting game, where the objective is simply to avoid the number 21. Do you have enough brain cells to win?
Last Updated: 9/30/2025
| Release Date | 9/19/2025 |
| Developer | Y |
| Publisher | S Tier Garbage |
| Steam App Id | 3951700 |
Do NOT say 21!
A free AI slop counting game, where the objective is simply to avoid the number 21. Do you have enough brain cells to win?
Last Updated: 9/30/2025
- Windows
- Mac
- Linux
About Do NOT say 21!
Do NOT say 21! is an Indie, Casual, Strategy, and Free to Play game developed by Y. On 9/19/2025, it was released on the Steam Store by S Tier Garbage.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Do NOT say 21! supports the following features:
- Single-player
- Steam Achievements
- Family Sharing
From the Steam community, Do NOT say 21! has been tagged with the following user tags:
- Text-Based
- Word Game
- Tactical
- Free to Play
- Narration
- Artificial Intelligence
- Conversation
- Education
- Turn-Based Tactics
- Arcade
- Strategy
- Cartoon
- Anime
- Indie
- Casual
- Female Protagonist
- Singleplayer
- Memes
- 2D
Media & Sceenshots
Watch the featured video for Do NOT say 21! and see the latest screenshots from the Steam Store.
Do NOT say 21! DLC
Do NOT say 21! has 11 downloadable add-ons available for purchase on Steam which include Do NOT say 21! - Take Layla to the mountains, Do NOT say 21! - Take Layla to the bank, and Do NOT say 21! - Take Layla to the aquarium.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Do NOT say 21! - Take Layla to the mountains | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the bank | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the desert | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the zoo | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the rain forest | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the beach | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the allotment | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the arcade | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the pier | DLC | 9/19/2025 | Steam Charts |
 | Do NOT say 21! - Take Layla to the big city | DLC | 9/19/2025 | Steam Charts |
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Soures & References
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Do NOT say 21! data has been sourced from:
- Valve Corporation. (2025, September 30). Do NOT say 21! on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Do NOT say 21!. Steam Community Hub.