Choose Thronefall
Choose Thronefall if you want an Action and Indie game with Steam Leaderboards. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 10,683 Steam reviews back the pick.
Thronefall vs Illegal Alien Tower Defense
Thronefall and Illegal Alien Tower Defense both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. Thronefall (2024) is 2 years older than Illegal Alien Tower Defense (2026). Illegal Alien Tower Defense is currently ~38% cheaper on Steam than Thronefall (7.99 USD vs. 12.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Illegal Alien Tower Defense
Choose Illegal Alien Tower Defense if you want the Custom Volume Controls, Stereo Sound, and Playable without Timed Input side of the pairing. On Steam, it's currently about 38% cheaper on the Steam Store. Illegal Alien Tower Defense launched in 2026.
Both Thronefall and Illegal Alien Tower Defense sit in Strategy on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Thronefall |  Illegal Alien Tower Defense | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Action, Strategy, Indie | Strategy |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 12.99 USD | 7.99 USD |
| Steam reviews | 95.9% positive (10,683 reviews) | 3 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | GrizzlyGames, Mythwright | Forbidden Knowledge |
Side by side
- Both are Strategy games on Steam.
- Thronefall (2024) is 2 years older than Illegal Alien Tower Defense (2026).
- Illegal Alien Tower Defense is currently ~38% cheaper on Steam than Thronefall (7.99 USD vs. 12.99 USD).
- Thronefall is Deck Verified on Steam Deck; Illegal Alien Tower Defense has no Deck rating yet.
Thronefall vs Illegal Alien Tower Defense — FAQ
- Should I play Thronefall or Illegal Alien Tower Defense first?
- If you want chronology, Thronefall (2024) came out before Illegal Alien Tower Defense (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Thronefall and Illegal Alien Tower Defense similar?
- They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Thronefall run on Steam Deck?
- Yes — Thronefall is rated Deck Verified by Valve. Illegal Alien Tower Defense doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.