Single-player games like Heartless Dark
Below are 8 single-player Steam games similar to Heartless Dark, 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 Heartless Dark page.
Ranked picks
- 1

Teleglitch: Die More Edition
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.
- 2

Battlecaster
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Battlecaster is a challenging fast paced arena roguelike. Defend yourself against unrelenting enemies and overcome difficult encounters. Use abilities strategically to control the ring of combat.
- 3

Wicked West
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Survive the unforgiving frontier in Wicked West, a top-down shoot 'em up where every kill earns upgrades and new abilities. Face relentless enemies, epic bosses, and one-shot death in this brutal Wild West survival challenge. Can you outlast the chaos?
- 4

ATOMINE
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Atomine is a twin stick procedural shooter rogue-lite set in a virtual world with minimalist design, where the player recounts on the screen the real events of STUXNET, the first weapon ever created in the form of computer virus.
- 5

Wally and the FANTASTIC PREDATORS
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Your best friend wants to cheer you up, so he tries his best to make a dungeon for you to explore. Explore his wholesome, weird-as-heck, scrappy rogue-lite oozing with charm and humor for 1-2 Players.
- 6

Lost Potato
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Lost Potato is a minimalistic top-down roguelite where you can't damage enemies directly. Push them into spikes, reflect bullets and help a young potato find its way out of a jungle filled with man-eating tribes!
- 7

Power of Ten
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action and Indie with Heartless Dark.
Fly a star-fighter against a bloodthirsty armada. Gather weapons, resources, and upgrades to help you push back the relentless assault while protecting the galaxies' civilians!
- 8

Doomed to Hell
Single-player alternative to Heartless Dark — playable solo, no multiplayer required. Shares Action with Heartless Dark.
Doomed to Hell is a roguelike-like top-down shooter where you play as Rose, a human in hell who will need to fight all of its monsters in waves of enemies, defeat bosses, and get new weapons to earn back his life on earth.