Single-player games like Guardians of the Sanctree
Below are 16 single-player Steam games similar to Guardians of the Sanctree, 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 Guardians of the Sanctree page.
Ranked picks
- 1
Per Aspera
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
- 2
Ratopia
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
- 3
Northgard: Definitive Edition
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 4
The Riftbreaker
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action and Strategy with Guardians of the Sanctree.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 5
Endzone - A World Apart
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.
- 6
First Feudal
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action and Strategy with Guardians of the Sanctree.
Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.
- 7
Kingdom Two Crowns
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.
- 8
Satisfactory
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 9
Oxygen Not Included
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Indie and Simulation with Guardians of the Sanctree.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 10
Terraria
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action and Indie with Guardians of the Sanctree.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 11
ONI : Road to be the Mightiest Oni
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action with Guardians of the Sanctree.
Break your enemies' souls to reclaim your pride. On Kisejima, demon warrior Kuuta and his partner Kazemaru challenge these souls to a trial. All in order to defeat Momotaro, who is both human and evil monster… A tale of sky and wind as they embark upon an island quest.
- 12
AutoForge
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action and Simulation with Guardians of the Sanctree.
A 2D automation sandbox adventure. Build an automated factory with Mana-powered machines, progress through an expansive tech tree, explore a vast and wonderful world, upgrade yourself with ancient technologies, and defend it all from invasions.
- 13
MapleStory
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Action and Adventure with Guardians of the Sanctree.
Join over 260 million players worldwide in MapleStory, the world’s biggest 2D MMORPG adventure! Play now for free.
- 14
RimWorld
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Strategy and Indie with Guardians of the Sanctree.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 15
The Diary
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Indie and Simulation with Guardians of the Sanctree.
Several diaries gradually reveal the thrilling story of a missing case; after multiple deductions, are the answers in the past or present? With frequent plot twists, you never know which is the truth and which is the unexpected; in a dense fog, time buries the past, but the marks remain.
- 16
成土市的我 CTcity
Single-player alternative to Guardians of the Sanctree — playable solo, no multiplayer required. Shares Indie with Guardians of the Sanctree.
Reality ruins, tiles of CT city block his heart. Imagination flies, plants in the mind become his star. Boy wonders, the road is nowhere to go. Journey begins, the key is just himself. Welcome to CT city!