Single-player games like Altarnode: Roguelite Cult Colony
Below are 9 single-player Steam games similar to Altarnode: Roguelite Cult Colony, 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 Altarnode: Roguelite Cult Colony page.
Ranked picks
- 1

Diseased
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy with Altarnode: Roguelite Cult Colony.
Build your camp in the freezing cold and make tough choices. Capture walls to widen borders and send your men to explore. Risk it all for vital resources, as surviving the relentless waves of the Diseased emerging from the dark will be harder than you think.
- 2

Endless Escalation
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Altarnode: Roguelite Cult Colony.
A strategy-driven incremental where choices actually matter. Upgrade costs scale together, forcing meaningful trade-offs instead of blindly upgrading everything. Build defenses, specialize your army, and adapt to overcome ever-evolving enemy forces.
- 3

Nightwater
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Altarnode: Roguelite Cult Colony.
Forage, craft and automate to grow your factory, unlock new technologies and expand your island to discover new biomes. Progress through the ages from sticks and stones to the Bronze Age, the Industrial Era and into the future to uncover the secret of the Lighthouse and escape this reality.
- 4

Hexamental: Hexagonal Incremental
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Altarnode: Roguelite Cult Colony.
An incremental game about symmetry. Build marble runs, unlock hexes, and create functional mandalas. Nothing is final - reshape patterns, guide flow, and watch beauty emerge as numbers grow.
- 5

Sphere TD
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy with Altarnode: Roguelite Cult Colony.
Sphere TD is a deep tower defense strategy game where you build every tower from scratch! NO presets! Route mods through grid layouts to fire projectiles: split, bounce, chain, pierce, multiply. A true one tower with 1,000,000 build combinations.
- 6

Exponent: The Scaling Tower Defense
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy with Altarnode: Roguelite Cult Colony.
A roguelite incremental tower defense where expansion is survival. Execute Command Cards from your expanding deck, build towers, and create land tile by tile to defend the last Node in your dimensional bubble. Grow strong enough to find your kin in the void… and merge into higher dimensions.
- 7

Hearth and Hamlet
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Altarnode: Roguelite Cult Colony.
Start with a campfire. Build a kingdom. Hearth and Hamlet is a medieval citybuilder clicker that blends resource management, in-depth upgrade trees and relaxing idle gameplay. Build your empire by researching new technologies, passing new laws, trading with far-off lands, and more.
- 8

Code: Terraform
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Strategy and Simulation with Altarnode: Roguelite Cult Colony.
A deep automation and programming game on a frozen alien planet. Write real code to drive rovers, run power grids, fabricate parts, and fly drone fleets across the world. Your scripts run while you plan your next move. The more you terraform, the more the planet responds.
- 9

Leaks In Space
Single-player alternative to Altarnode: Roguelite Cult Colony — playable solo, no multiplayer required. Shares Simulation with Altarnode: Roguelite Cult Colony.
Build your spaceships, craft, survive, fight, and explore sectors full of peril and adventure. With limitless creativity and deadly threats to overcome, Leaks in Space offers adventurers a unique 2D space-sim sandbox experience.