Choose Alien Defense
Choose Alien Defense if you want an Action and RPG experience. On Steam, it's currently about 25% cheaper on the Steam Store. Alien Defense launched in 2022.
Alien Defense vs Tower Defense: Last Castle
Alien Defense and Tower Defense: Last Castle both land in Indie 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 Indie games on Steam. Alien Defense (2022) is 2 years older than Tower Defense: Last Castle (2024). Alien Defense is currently ~25% cheaper on Steam than Tower Defense: Last Castle (2.99 USD vs. 3.99 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 Tower Defense: Last Castle
Choose Tower Defense: Last Castle if you want a Casual experience. Tower Defense: Last Castle launched in 2024.
Both Alien Defense and Tower Defense: Last Castle sit in Indie 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
 Alien Defense |  Tower Defense: Last Castle | |
|---|---|---|
| Released | 2022 | 2024 |
| Genres | Action, Indie, RPG | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 2.99 USD | 3.99 USD |
| Steam reviews | 5 reviews | 6 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | MoonlightGames | Nameless King |
Side by side
- Both are Indie games on Steam.
- Alien Defense (2022) is 2 years older than Tower Defense: Last Castle (2024).
- Alien Defense is currently ~25% cheaper on Steam than Tower Defense: Last Castle (2.99 USD vs. 3.99 USD).
- Alien Defense is Deck Playable on Steam Deck; Tower Defense: Last Castle has no Deck rating yet.
Alien Defense vs Tower Defense: Last Castle — FAQ
- Should I play Alien Defense or Tower Defense: Last Castle first?
- If you want chronology, Alien Defense (2022) came out before Tower Defense: Last Castle (2024). 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 Alien Defense and Tower Defense: Last Castle similar?
- They overlap on Indie 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 Alien Defense run on Steam Deck?
- Yes — Alien Defense is rated Deck Playable by Valve. Tower Defense: Last Castle doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.