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Side Effects
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Side Effects

Up to four test subjects. One twisted medical trial. Only one leaves.

Screenshots

About the game

Up to four test subjects. One twisted medical trial. Only one leaves.

Welcome to Side Effects: a tense, turn-based medical roulette game. Each round you'll be presented with a selection of pills. Some are helpful, some are harmful, and some mean instant death. You never know what you're about to consume or what it might do to your mind or body. Winning means outlasting – AKA, outliving – your opponent across the table.

Resist

Every pill impacts your resistance. Manage it wisely: zero resistance means death.

Experiment

Between rounds, you can choose from a range of experimental items and treatments that can shift the odds in your favor, from vaccines to mouth clamps.

You’re not alone

The other patient wants to outlast you. They’ll bluff, adapt, and use everything at their disposal to keep breathing one dose longer than you.

Would you like to participate?

This trial includes:

  • A single player mode

  • A multiplayer mode (2-4 Players)

  • 15+ unique items 

  • 6 pill types to test

About multiplayer

Multiplayer fix applied. P2P sessions and community servers work through the Goldberg Steam API. Official servers that enforce anti-cheat (EAC, BattlEye) can still be limited — in those cases, favour local co-op or community servers.

Game details

Developer
hirohun
Publisher
Free Lives
Release date
21 nov. 2025
Steam AppID
3799100

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