Steam Scream V is on until Nov 2. Spooky games crowd the store this week, so the quieter weeks after it are worth a look.

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SYSTEM 21 header image
Coming Dec 2, 2026

SYSTEM 21

By System Forge Studio

RogueliteRoguelike DeckbuilderPuzzleCard GameRoguelikeStrategy2DCyberpunkChoices MatterDeckbuildingMinimalistStylized
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About SYSTEM 21

SYSTEM 21 is a game tagged Roguelite, Roguelike Deckbuilder and Puzzle by System Forge Studio, launching on Steam on Dec 2, 2026. That is a mild week for games like it, with 57 similar games launching the same week. The quietest week ahead for games like it starts Nov 23. The Steam games most like it include RogueFlip, Deckforce and Pokermancer.

Manipulate a blackjack game from the inside as a dealer subroutine in this minimalist roguelike deckbuilder. Read the visible card's queue, execute illegal code exploits to alter the upcoming cards, and fleece high-rolling patrons before the system anti-cheat detects your anomaly.
From the Steam page

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Launch window

Open in Launch Week Checker

Busiest weeks for games like this one in the next 12 weeks:

  • Week of Oct 26, 2026 — Packed, 188 similar games
  • Week of Nov 2, 2026 — Packed, 187 similar games
  • Week of Nov 9, 2026 — Packed, 150 similar games

Quietest: Nov 23, Dec 7, Jan 11.

Also launching the week of Nov 30

All upcoming games

Steam data

Everything Steam lists for SYSTEM 21 · record updated 2 days ago

Steam store

Overview

App ID4610060
Release dateDec 2, 2026
Last change number40038589
Last record update2 days ago

App info

App type
Game
Developer
System Forge Studio
Publisher
System Forge Studio

Platforms

Windows macOS 64-bit

Features

5
StatsSingle-playerSteam AchievementsSteam CloudFamily Sharing

Data from public Steam pages, updated daily; 4 days of history. LaunchRivals is not affiliated with Valve or Steam.

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