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OTTTD
Take command of HEROCORP™ and launch a Preemptive Defence Campaign™ against parallel dimensions in OTTTD, the most outrageous Tower Defence title around.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-14.
“I installed OTTTD for a quick tower defense session. A big mistake on my end. Now I’m emotionally invested in defending Earth from aliens, robots, monsters, and what I’m pretty sure was a cosmic squid at some point. The art style is amazing ,it looks like a Saturday morning…”
— a player, Steam review · 31 hrs played“No fast forward button”
— a player, Steam review · 40 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Moving Out 2 | Pre Orders Now Live
You've seen that we've scheduled our moving date and you've chosen your favourite F.A.R.T, so probably think you are now all set to Move Out now? WRONG! We've one last thing for your checklist... PRE-
Moving Out is the latest game in the SMG Game Universe
So we just launched a new game Moving Out and it's nothing like OTTTD however... it's still in the same universe. WHAT! How? I hear you typing on the mechanical keyboard. Ominicorp originally started
Nintendo Switch release & upcoming updates to Steam
We've just released OTTTD on the Nintendo Switch . So now you can buy the game again and play on the go. Or just recommend it to a friend who missed out in 2014! https://steamcdn-a.akamaihd.net/steamc
Surprise Attack Sale, OTTTD 50% off!
Listen up soldier! Just a quick update to let you know that Surprise Attack Games is having a sale to celebrate a brand new localisation update for their terminal-based hacking game, Hacknet. So tell
Surprise Attack Sale, OTTTD 50% off!
Listen up soldier! Just a quick update to let you know that Surprise Attack Games is having a sale to celebrate a brand new localisation update for their terminal-based hacking game, Hacknet. So tell
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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-14.
| Genres | Indie, Strategy |
| Player tags | Tower Defense · Action RTS · Indie · Strategy · Gore · Violent · RTS · RPG · Cartoony · Colorful · Stylized · Funny (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Trading Cards · Custom Volume Controls · Playable without Timed Input · Save Anytime · Subtitle Options · Steam Cloud |
| Languages | English * * |
| Achievements | 41 |
| Estimated owners | 20,000 – 50,000 (SteamSpy) |
| Official site | http://www.otttd.td/ |
Minimum system requirements (PC)
Minimum: OS *: Microsoft® Windows® XP/Vista or later Processor: 1.4GHz or faster Memory: 1 GB RAM Graphics: Any from the last 4 years DirectX: Version 9.0 Storage: 300 MB available space Sound Card: All soundcards would work