IMHO.

Single-player games like Potassium Poisoning

Below are 8 single-player Steam games similar to Potassium Poisoning, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Potassium Poisoning page.

Ranked picks

  1. 1
    Croaked — Steam game cover

    Croaked

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    Croaked is a frog-themed roguelike survivor where you choose unique frogs, battle massive hordes of enemies, catch insects for powerful bonuses, evolve weapons, discover special events, and defeat challenging bosses while creating new builds every run.

    ActionIndieCasualSingle-playerSimilar games →
  2. 2
    Bringers of Darkness — Steam game cover

    Bringers of Darkness

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    Fight for the forces of darkness in a fast-paced bullet heaven survivors-like. Become a champion of darkness, master unique abilities, and bring ruin to the kingdoms of light that created their own nightmares.

    2026ActionIndieRPG5.99 USDSingle-playerSimilar games →
  3. 3
    Trials Survivors — Steam game cover

    Trials Survivors

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    Fight through endless hordes in trials bestowed by constellation patrons. Upgrade skills, collect relics, and craft broken builds in true roguelite fashion! Rediscover the fantasy behind the words hack and slash and bullet heaven. Will you survive the densest monster Survivor-like ever created?

    2026ActionIndieRPG7.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    FOXFIRE — Steam game cover

    FOXFIRE

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action with Potassium Poisoning.

    Full Thrust, Full Inertia, Full Auto! FOXFIRE is a top-down sci-fi survivors-like with space physics and a devastating arsenal of evolving weaponry. Customize your ship and tear through alien swarms as routine recon missions descend into bullet hellscapes.

    2027ActionSingle-playerSimilar games →
  5. 5
    Weed Out — Steam game cover

    Weed Out

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action with Potassium Poisoning.

    A bullet heaven with a slot machine for a level-up. The crops have risen — mow down hordes of mutant plants, spin the reels, and build around whatever drops: buffs, curses and nearly a hundred game-warping Jokers.

    2027ActionSingle-playerSimilar games →
  6. 6
    Sangreve — Steam game cover

    Sangreve

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    A gothic top-down survivor-roguelite. Attack, weave and dodge through undead hordes while picking level-up cards to build your character, then fight a boss at the end of each map. Nine characters, dodge-only defense, run-based roguelite progression.

    2026ActionIndieCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Lethal Justice — Steam game cover

    Lethal Justice

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    Fight waves of criminals, mutants and cyborgs while upgrading your firepower. Restore order in this dystopian city of the future where your choices determine whether you gain the upper hand or succumb to the streets. You are outnumbered, not outgunned.

    2026ActionIndieRPGSingle-playerSimilar games →
  8. 8
    Tails Island — Steam game cover

    Tails Island

    Single-player alternative to Potassium Poisoning — playable solo, no multiplayer required. Shares Action and Indie with Potassium Poisoning.

    Tails Island is a fast-paced action roguelike where you play as a fearless dog taking on wild waves of savage animal enemies. But he’s not fighting alone. Unlock new playable characters like cats, turtles, and other critters, each with their own unique powers and playstyles!

    ActionIndieCasualSingle-playerSimilar games →