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Slap 'em UP!
Get in on the casual party card game where every hand is a chance to roast your friends! Slap them down with the higher cards, blast them with mocking stickers, or drop emotes they won’t forget. Dress to impress and make your way to the crown. Who’s the real king now?
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“I will leave the cat here, so that everybody who passes by can pet it and give it a thumbs up and awards ／＞ フ | _ _ l ／` ミ＿xノ / | / ヽ ﾉ │ | | | ／￣| | | | | (￣ヽ＿_ヽ_)__) ＼二つ”
— a player, Steam review · 25 hrs played“เกมดี ไพ่อาจแย่ไปบ้าง พอมีคนสอนทริคสนุกเสย มีแพ้ชนะปนๆ แต่ตอนชนะตบคิงได้สะใจสุด เคยเกือบนอมแพ้่ละเพราะได้ไพ่แย่เกิน แต่บางตาไพ่ดี เล่นแย่เองก็มี เกมเพลย์ 7/10 ภาพ 8.9/10 ภาษา 9/10 (อยากให้ออกสายตาโลกนะอยากให้อยู้นานๆ) ความมันส์ 10/10 ปล.กาชา แอบแรงนิดๆนะ”
— a player, Steam review · 16 hrs played“เซฟหาย”
— a player, Steam review · 4 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Official Patch Note 1.6.0 Artverse#1
Content Artverse #1: Meet 4 new characters, each featuring the unique art style of a renowned Thai artist. QoL Added a system to exchange unused Gacha machine tokens for "Token Dust" (this feature doe
Official Patch Note 1.5.0 – Hiroto
Official Patch Note 1.5.0 – Hiroto New Features New Matchmaking & Lobby: A brand-new matchmaking system! You can now queue as a party, and change your outfit or game mode without creating a new lobby.
Official Patch Note 1.3.0 Thepleela
Official Patch Notes 1.3.0 Thepleela Contents Thepleela Collaboration: Featuring special guest duo Pi Weng and Pi Terd from "Thepleela" \ from June 16 to July 15. Season Pass #4 Concert: Take the stag
Official Patch Note 1.2.0 Gametukbookduay
System Customization Presets Added a Customization Preset system, allowing players to save outfit and character customization setups as separate loadouts for quick switching. All players receive 2 fre
Patch Note 1.1.0 Online Station
Features Friend System : Added a Friend system. Players can now add friends using UID or through the Quick-Add button. Lobby Invite : Added a feature that allows players to invite friends into a Priva
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Casual, Indie, Strategy, Free To Play |
| Player tags | Casual · Card Game · Multiplayer · Tabletop · Strategy · Board Game · Family Friendly · Funny · Replay Value · Party Game · Party · 2D (Steam store community voting) |
| Features | Multi-player · PvP · Online PvP · Cross-Platform Multiplayer · In-App Purchases · Family Sharing |
| Languages | English, Thai * * |
| Official site | https://SlapthEmUP.com |
Minimum system requirements (PC)
Minimum: OS: Windows 10 Processor: 2.0 Ghz Memory: 2 GB RAM Graphics: HD Graphics 610 DirectX: Version 11 Network: Broadband Internet connection Storage: 700 MB available space