Single-player games like Eugenics
Below are 10 single-player Steam games similar to Eugenics, 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 Eugenics page.
Ranked picks
- 1

Reus
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
In Reus, you control powerful giants to shape the planet to your will. You can create mountains, oceans, forests and more. Enrich your planet with plants, minerals and animal life. There is only one thing on the planet that you do not control: mankind, with all their virtues and and all their vices.
- 2

Darwinia
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
Darwinia blends real-time strategy, action, and puzzles with a unique gesture-based control system. Save the Darwinians, battle viruses, and restore order in a retro-inspired digital world. Winner of multiple prestigious awards, including the Seumas McNally Grand Prize at IGF 2006.
- 3

AI War: Fleet Command
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
- 4

Kenshi
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.
- 5

SpaceChem
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
- 6

Democracy 3
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
Have you ever wanted to be president? or prime-minister? Convinced you could do a better job of running the country? Let's face it, you could hardly do a worse job than our current political leaders.
- 7

Papers, Please
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.
- 8

Evochron Mercenary
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
- 9

The Wanderer: Frankenstein’s Creature
Single-player alternative to Eugenics — playable solo, no multiplayer required. Shares Indie with Eugenics.
Experience the Myth of Frankenstein through the innocent eyes of his creature. Make decisions and change people's view that you will meet on your way. Now, the myth is in your hands, so how are you going to end it?
- 10

Cité Alexandrie
Single-player alternative to Eugenics — playable solo, no multiplayer required.
In Cité Alexandrie, a narrative-management game in VR, you run an illegal cultural network in an alternate 1980s France where books, records and comics are forbidden. Recruit members. Give out jobs. Organize your network, but beware of rival gangs and the Cultural Interdiction Brigade.