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

Shadow Survival
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Indie with Hume Index.
Unleash familiar and unfathomable weaponry upon hordes of demonic forces and fight for survival along side your friends in this story-driven online action game.
- 2

ReactFuse: Stolen Minds
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Indie with Hume Index.
There are a LOT of enemies to shoot, blow up, burn, freeze, squash, vaporize, obliterate, multiply by zero - and a pinch of story if you're into that.
- 3

After the Fall®
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Adventure with Hume Index.
From the team that brought you Arizona Sunshine® comes an epic VR action FPS with intense co-op gameplay at its core. Team up with friends and take on a hostile VR world filled with ferocious undead--mutated and twisted by the relentless cold.
- 4

Monster Master
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Strategy with Hume Index.
Monster Master makes RTS fight versus FPS. Be the horde or survive together in this asymmetric reverse horror multiplayer
- 5

Lythium
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Indie with Hume Index.
Take on a task force from the gravestones! Your memories may be lost but the horde still remains. Slash, shoot, punch, and unleash your inner beast on your enemies in this action packed rogue-like FPS.
- 6

Death Paradise
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Adventure with Hume Index.
Survive the first 24 hours of a zombie outbreak on Miami Beach. Rescue and customize your teammates, restore the island’s power, activate an SOS signal, and fight through evolving infected before paradise falls.
- 7

WaveSurvivor
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action and Indie with Hume Index.
Fight through relentless enemy waves in a fast-paced sci-fi FPS for 1–3 players. Choose your role, combine unique abilities, earn powerful upgrades, and adapt your build as you survive increasingly dangerous encounters.
- 8

Killing Floor 3
Single-player alternative to Hume Index — playable solo, no multiplayer required. Shares Action with Hume Index.
It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.