Single-player games like Defense of the Oasis
Below are 11 single-player Steam games similar to Defense of the Oasis, 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 Defense of the Oasis page.
Ranked picks
- 1
Critias Empire
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Turn-Based 4X-like Strategy: Build the peaceful kingdom of Atlantis into a flourishing civilization. Plan carefully or be ready to adapt as the ancient Gods of Olympus rain down floods, earthquakes, volcanoes and all types of disaster.
- 2
Theocracy
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Classic 4X turn-based strategy game, where you manage a theocratic empire, conquer and convert pagans and enemies by divine power or brute force, cast mighty miracles and enact dogmas. Advance and expand your theocracy into dominant world empire. And if necessary... release the Kraken!
- 3
Ascension
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
In this cultivation 4X strategy game, your sect has been in peril, and so they open a portal—sending you, a young disciple and their last hope, inside. Stand tall as the new sect leader and guide disciples to rebuild what was lost. Sharpen your focus, master alchemy, and ascend to immortality.
- 4
Tenants of the Shade
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Build a living civilization from a single village. Guide your people across a dynamic landscape of rivers, farms, trade routes, and rival kingdoms as your society rises from the dawn of history.
- 5
Microcivilization
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.
- 6
Sid Meier’s Civilization® VI
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?
- 7
Slipways
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
Weave isolated planets into a vast trade empire. Hatch plans. Research game-breaking technologies. Still be done in time for lunch. Enjoy the endless possibilities of a space grand strategy game in 60 minutes flat.
- 8
Sid Meier's Civilization® IV
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new...
- 9
Minesweeper Classy
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Casual with Defense of the Oasis.
A modern and stylish take on a classic logic puzzle game. Play the classic minesweeper levels, beat unique level layouts and challenges, or create and share your own level designs. Features a ton of customization options.
- 10
Tiny Civilization
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Strategy with Defense of the Oasis.
This is a historical simulation game that promotes the development of civilization based on the match-3 Game. You'll need to gather resources, use skills, discover new technology, and lead humanbeing through a 10,000-year journey to the cosmos.
- 11
Minesweeper H
Single-player alternative to Defense of the Oasis — playable solo, no multiplayer required. Shares Casual with Defense of the Oasis.
A twist on classic Minesweeper gameplay × unlockable bishoujo H rewards. Challenge 4 stages × 3 difficulty levels — complete each map to view an animated H scene. Clear Expert mode to permanently unlock it to your Gallery and revisit anytime.