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

Superstition BlackCat
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
A roguelite where superstitions take shape as items! Face enemies, collect drops with negative effects that can be traded for advantages. Explore always different rooms, with challenges inspired by beliefs that make us think twice before taking a risk.
- 2

Mutant Tide
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
The tide came in and it brought monsters. Carve through relentless swarms of deep sea horrors, forge 20 weapons into over 90 monstrous evolutions, and drag 10 mutated survivors back from the abyss alone or in co-op. A horde survival roguelite where the ocean wants you dead.
- 3

MineGeon: Renegades
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
Descend into the dangerous depths of PAIMO in this co-op sci-fi roguelite bullet-hell focused on resource gathering. Play solo or with friends as you fight, gather resources, and upgrade together. The deeper you go, the greater the risks, rewards, and secrets waiting beneath the surface.
- 4

SUPER DEBT
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
Money is your life in SUPER DEBT! Fight to survive with an arsenal of wildly different weapons and upgrades. In this intense and challenging Twin-Stick Bullet-Hell Roguelike everything costs money, and we mean everything!
- 5

Cordels & Spells
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
Cordels & Spells is an action roguelike set in a magical backlands. Explore challenging maps, collect Enchanted Cordels, unlock unique powers, and face the Commanders of the Sertão with magical weapons, fast builds, and frenetic combat.
- 6

Pathogenic
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
You are a disease. Infect the human body as a lone pathogen in this cellular roguelike shooter. Collect organelles to evolve your parasite in a microscopic arms race against your host's immune system. Conquer a beautiful, procedurally generated world of tiny proportions.
- 7

Mega City Force
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 8

Enter the Gungeon
Single-player alternative to Demon Spore — playable solo, no multiplayer required. Shares Action and Indie with Demon Spore.
Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.