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Terraforming Mars
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-12.
What reviewers agree on
36 of the 93 reviews raise this.
“It's probably the buggiest game I've played on steam. The gameplay and graphics are great, but it's a nightmare if you play online. 1/2 online games crash and cannot be reloaded.”
“good to play if you want to play solo, If you have a group of friends and irl version not recommend to buy unless you want to train with bots the game sometimes have bug that make your game stuck in turn, UI is mid…”
“This a fairly good implementation of the board game. I like its layout as you can see the martian map clearly during play and make the best informed decisions as a result. Solop play is pretty seamless and is a great…”
9 of the 93 reviews raise this.
“Love Terraforming Mars, one of my favorite board games. Its fantastic to be able to play games when ever I want with bots as I cant always get people together to play. Fantastic game as well to play while doing other…”
“Turning one of my favorite boardgames into a digital experience is never a bad idea. Great for those nights on which the gang can't meet in person”
“This game is amazing. If you don't have friends to play the real game with this will definitely scratch that itc.”
8 of the 93 reviews raise this.
“love the boardgame. the mixed reviews had me worried but game runs fine, no major bugs and overall a very good game”
“No issues for me. I don't play online though.”
“Despite the mixed reviews i decided to buy this game as it was on sale. I felt it was excellent for the price i paid, once you get used to the ui its fine really. would absolutely reccomend when on sale, played a few…”
7 of the 93 reviews raise this.
“This a fairly good implementation of the board game. I like its layout as you can see the martian map clearly during play and make the best informed decisions as a result. Solop play is pretty seamless and is a great…”
“Despite the mixed reviews i decided to buy this game as it was on sale. I felt it was excellent for the price i paid, once you get used to the ui its fine really. would absolutely reccomend when on sale, played a few…”
“very good boardgame, very good interface^^”
5 of the 93 reviews raise this.
“It's probably the buggiest game I've played on steam. The gameplay and graphics are great, but it's a nightmare if you play online. 1/2 online games crash and cannot be reloaded.”
“Well Designed and good style in addition to having played the board game.”
29 of the 93 reviews raise this · 9 of them still recommend the game.
“The game is incredibly buggy. New content often becomes unplayable, for example, fonts jump off the cards. Along with new DLC, the old ones have been locked, and even if you own them, you can't use them. Bug fixes are…”
“This implementation has actually been getting worse over time as they develop patches. Very disappointing.”
“This is the only video game adaptation I know of that's less convenient than the actual physical board game. The board game is fantastic, the app is hilariously bad. If you have to play it online, play it on TTS or BGA…”
11 of the 93 reviews raise this · 4 of them still recommend the game.
“It's probably the buggiest game I've played on steam. The gameplay and graphics are great, but it's a nightmare if you play online. 1/2 online games crash and cannot be reloaded.”
“Waste of $. Extremely slow and buggy, with online play as fun as eating glass. To top it off. there's a karma system that penalizes *you* whenever your opponent plays slow, crashes or leaves.”
“it you lose your connection for 1 second you cant play the game anymore you spent hours trying to make a strategy and for on second everything desyncs and you are f*cked. it didnt do that before”
10 of the 93 reviews raise this · 4 of them still recommend the game.
“The game is incredibly buggy. New content often becomes unplayable, for example, fonts jump off the cards. Along with new DLC, the old ones have been locked, and even if you own them, you can't use them. Bug fixes are…”
“This is the only video game adaptation I know of that's less convenient than the actual physical board game. The board game is fantastic, the app is hilariously bad. If you have to play it online, play it on TTS or BGA…”
“Had been looking at this game for a while. Bought it on sale - which ended up to be a bright idea. The idea of the game is nice- but in gameplay it is really "light" and really a cardgame. Not the depth like Magic etc,…”
7 of the 93 reviews raise this · 6 of them still recommend the game.
“Great game with lots of replayibility though the AI could be stronger.”
“Extremely fun game you can sink tons of time into. Every game is a puzzle and the various solo modes offered is much easier to dig into than with the physical game. That said, multiplayer play can be slow and players…”
“I was a big fan of the board game. Ark Nova has replaced it in recent years so I haven't played much since 2018, but a sale brought me to purchase this despite the negative reviews regarding bugs. In my personal…”
7 of the 93 reviews raise this.
“The game is incredibly buggy. New content often becomes unplayable, for example, fonts jump off the cards. Along with new DLC, the old ones have been locked, and even if you own them, you can't use them. Bug fixes are…”
“This implementation has actually been getting worse over time as they develop patches. Very disappointing.”
“Every update brings new bugs and old bugs don't seem to get fixed. The developers don't even seem to play-test the game after releasing an update. Last update the game forgot I owned DLC, and then offered to walk me…”
Counted across 93 English reviews, sampled to match this game's 70.5% positive rating · as of 2026-05-12
“The tabletop version is in general superior. What I like about this one: * allows me to play with actual players anytime of day * obviously the stup time is negligable * resource moving, upkeep, calculations are taken care of * Turns go by quickly, a game may last about 45…”
— a player, Steam review · 82 hrs played“I enjoy this board game, and with the addition of the new DLC, it has a lot of mechanics to keep track of. I usually just play against the PC, and I win, but it is a fun game for a 45 min or so play through. If you play with other people, be prepared for a longer game ~3+ hours…”
— a player, Steam review · 336 hrs played“I have played this for over 1000 hours and its been buggy as hell from the start. And despite the MULTIPLE buggfixes and patches its not getting any better. Grab some friends and pull out the board game and enjoy the real thing.”
— a player, Steam review · 1,106 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-05.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-04). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Terraforming Mars 2.11.6.3459/886
Mission Journal: Patch #2.11.6.3459/886Date of entry: 2182/11/028 - Communication minimal - Readings are within acceptable range PatchnoteFix of an issue with DLC unlock via product keys.Fix of a serv
Terraforming Mars 2.11.6.3444/884
Mission Journal: Patch #2.11.6.3444/884Date of entry: 2182/08/014 - Conditions are improving - Oxygen reached optimal level - Life finds a way Feature improvementsSteam Deck full compatibility.Bug fix
Terraforming Mars 2.11.5.3420/880
Mission Journal: Patch #2.11.5.3420/880Date of entry: 2182/07/022 - Atmosphere and temperature stabilized at 80% - We're still monitoring. Feature improvementsNew Solo Challenge optional rule: Extende
Terraforming Mars 2.11.4.3385/879
Mission Journal: Patch #2.11.4.3385/879Date of entry: 2182/03/018 - Surges detected in the secondary core of the gravity generator. Engineer team was quickly on site and resolved the situation. Bug fi
Terraforming Mars 2.11.3.3323
Mission Journal: Patch #2.11.3.3323Date of entry: 2182/01/04 Our engineers are working around the clock. Substantial improvements and stabilization of the atmosphere are their priorities. Bug fixesFix
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-12.
| Genres | Strategy |
| Player tags | Strategy · Board Game · Space · Tabletop · Turn-Based · Mars · Multiplayer · Sci-fi · Singleplayer · Management · Turn-Based Strategy · Base-Building (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Shared/Split Screen PvP · Steam Achievements · Steam Turn Notifications · Remote Play Together |
| Languages | English, French, Italian, German, Spanish - Spain, Swedish |
| Achievements | 40 |
| Official site | https://www.Twin-Sails.com |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 / Windows 8 / Windows 10 Processor: Dual Core 3.0 GHz Memory: 4 GB RAM Storage: 250 MB available space