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Updated July 2026 · real, multi-region App Store reviews
Head-to-head

Alien Creeps TD vs Alien Invasion

Alien Creeps TD 4.7★ · Free + IAP 65
Winner Tie
Alien Invasion 4.8★ · Free + IAP 60

Alien Creeps TD offers a more traditional tower defense experience with good graphics, but Alien Invasion provides a unique gameplay loop, though it's heavily criticized for its aggressive monetization and ad frequency.

Full reviews: Alien Creeps TD · Alien Invasion

Alien Creeps TD is praised for its engaging tower defense gameplay and graphics, but many users are frustrated by a lack of new content and a 'pay-to-win' progression model. Alien Invasion offers a different kind of addictive gameplay, but its user experience is severely hampered by an overwhelming number of forced ads and aggressive in-app purchase prompts.

Head to head

Gameplay & Features tieR1R2R4R5
Alien Creeps TD Alien Creeps TD is a well-regarded tower defense game with good graphics and engaging hero mechanics, though leveling heroes can be slow R2R5R8R14. However, many users report a significant lack of new campaign missions or updates for years, leading to repetitive event missions R1R5R21R35. Some find the tutorial too long and restrictive R4R22.
Alien Invasion Alien Invasion offers a unique and addictive gameplay loop, where players control an alien devouring humans and evolving . However, players frequently complain about the game becoming an extremely long and slow grind, especially for late-game progression R54. Some users also report issues with specific game elements like agents or flying NPCs .
Monetization & Ads edge: Alien Creeps TDR6R10R12R13
Alien Creeps TD Many Alien Creeps TD players feel the game becomes 'pay-to-win' or 'pay-to-progress' at higher levels, with upgrades and heroes becoming prohibitively expensive or requiring real money R6R10R12. Some reviews mention ads for energy that don't deliver R13, but overall, ads are not as frequently cited as a major issue compared to in-app purchase pressure R14.
Alien Invasion Alien Invasion is heavily criticized for its aggressive monetization and overwhelming number of ads. Users report constant pop-ups for purchases upon opening the app and throughout gameplay R53R54R57R60. Many ads are forced, and some users claim developers admitted forced ads become standard at higher levels, expecting players to pay a subscription to remove them . Some ads also fail to load or loop, hindering progression .
Reliability & Support tieR3R7R9R11
Alien Creeps TD Alien Creeps TD has several reports of bugs, including content not downloading, invisible aliens, and game crashes R7R13. A significant issue is the loss of progress or inability to transfer game data to new devices, with users reporting support being unresponsive or Facebook login not working R3R9R13R22. Some users have successfully kept their saved data for years R11.
Alien Invasion Alien Invasion also suffers from reliability issues, including frequent crashes, lag, and progress not saving or being reset R71. There are reports of major game flaws related to time zone changes that trap players, with customer service suggesting buying items to fix it . Some users also experienced missing purchases after re-downloading .
Graphics & Performance edge: Alien Creeps TDR2R8R14R27
Alien Creeps TD Alien Creeps TD is consistently praised for its 'super duper good graphics' and 'high quality picture' for a mobile game R2R8R14R27. Performance issues like crashes are mentioned , but general lag is not a widespread complaint.
Alien Invasion Alien Invasion has good graphics , but many users report significant lag, especially during specific in-game events or when the game loads . The game can also cause devices to heat up and drain battery quickly .
Pick Alien Creeps TD if

You prefer a traditional tower defense game with strong graphics and are willing to tolerate a slower progression or potential in-app purchases for late-game content, and you prioritize a less ad-intrusive experience.

Pick Alien Invasion if

You are looking for a unique, addictive alien-themed idle/evolution game and are prepared to endure a high volume of forced ads and aggressive monetization, or potentially pay a subscription to remove them.

Evidence note: Both apps are free with in-app purchases. Alien Invasion's negativity is heavily skewed by its aggressive ad strategy, which impacts the free-to-play experience significantly more than Alien Creeps TD's IAP pressure. Alien Creeps TD's issues are more about content stagnation and 'pay-to-progress' rather than overwhelming ads.

Frequently asked

Does Alien Creeps TD receive regular updates?
No, many users report that Alien Creeps TD has not received new campaign missions or significant updates for years, with only repetitive event missions being added R1R5R21R35.
Are there many ads in Alien Invasion?
Yes, Alien Invasion is heavily criticized for an overwhelming number of forced ads and pop-ups, appearing upon opening the app, after closing menus, and throughout gameplay, with some users reporting ads every 30 seconds R53R54R57R60.
Can I transfer my game progress in Alien Creeps TD or Alien Invasion?
In Alien Creeps TD, some users report losing all progress and paid extras when getting a new device, with in-app support and Facebook login not working for transfer R3R22, though others have successfully kept data for years R11. In Alien Invasion, there is no Game Center or login save option, preventing progress transfer between devices R71.

What reviewers actually said

Built only from these 110 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R1] Alien Creeps TD 2/5 · GB When will the campaign continue????: Great fun game but the campaign ends on a bit of a cliffhanger after the nuclear missions at the end of the map. It shows there is more of a campaign to be made but no new campaign missions have come out in years. Feels like the creators have just given up effort with the game. Just repetitive event missions now. Big let down from the creators here.
  2. [R2] Alien Creeps TD 5/5 · GB Thomas’ review: This is a brilliant game and me and my sisters love it because it’s challenging,fun and it has super duper good graphics
  3. [R4] Alien Creeps TD 1/5 · GB bad: The tutorial is so long that i feel very bad.
  4. [R5] Alien Creeps TD 5/5 · GB Had this game years ago and downloaded again.: This is my favourite tower defence game. This game could do with a few updates as the game has pretty much stayed the same for a number of years now. Levelling up your hero’s is painfully slow, but using your hero’s in game is so much fun. The game only holds your hand for the first few levels then after that it is only hand holding advice when someth
  5. [R6] Alien Creeps TD 3/5 · GB Passes time for a while: As a lot of games you storm through the levels enjoying the game, then as we all expect it slows down till your cornered into paying if you wish which I don’t. I wish developers take a modern approach such as company of heroes, you buy the game nothing else.
  6. [R10] Alien Creeps TD 2/5 · GB Addicting but terrible aspects: Game is really fun and addicting but can get very hard very fast . However further in the game you have to rely on power ups that are very limited which the game will either force your to buy or just wait an age upgrading your towers and redoing levels. The heroes are also an absolute joke. Buying them on their own with from what I can see no other way getting the
  7. [R12] Alien Creeps TD 3/5 · GB Money bags: Great game but once you hit certain level. Progress painfully frustrating unless you spend serious money for upgrades. Getting to point where I plan to delete.
  8. [R13] Alien Creeps TD 1/5 · GB I get no support for this buggy game: Bad Reviews are getting removed. Support doesn’t get back to me. You listen to an advert to get energy, but you never get the energy. You complete task, but it doesn’t show you’ve completed them end up wasting a lot of boosters to do that. Would be a decent game if it wasn’t so buggy and they actually replied to your support request on their website. My last r
  9. [R3] Alien Creeps TD 3/5 · GB Super annoyed: Game is fun, but got a new iPad and can’t move my game. Support doesn’t work in app, log in to Facebook doesn’t work because I don’t use that anymore. So I’ve paid money for extras I cannot access and lost all of my progress. Awesome
  10. [R7] Alien Creeps TD 2/5 · GB Bug in game: Can’t progress to site 11, days downloading content, been like it for weeks now
  11. [R9] Alien Creeps TD 3/5 · GB Fun enough but keeps erasing previous progress: Everytime I get near completing it restarts the whole game from the beginning I purchased an extra character twice fortunately was able to restore the character second time round when it restarted me. Other than that it’s a good castle Defense game
  12. [R11] Alien Creeps TD 5/5 · GB Alien creeps: Played this for years love this game and it’s kept all my saved data since I started
  13. [R8] Alien Creeps TD 5/5 · GB Brilliant: Great fun and good graffics
  14. [R14] Alien Creeps TD 5/5 · GB Rare honest review: So yeah I like tower defence games. It’s a good way to pass a few spare minutes hehehehe. This one is really good. Great graphics. Good maps. Great way to customise the turrets. This one does need some strategy so watch out for that hehehehe. Not too many ads doesn’t slow game play at all. Prices for the extra characters is much too high. But you do need that second one. Overal
  15. [R27] Alien Creeps TD 5/5 · GB Great game: Highly suggest great graphics for a phone game and really generally good
  16. [R21] Alien Creeps TD 4/5 · GB Annoyed: Needs more levels love the game but I’ve been waiting for new levels for months
  17. [R35] Alien Creeps TD 4/5 · GB Competed: Good game very addictive but no more missions been waiting months loads of trials for upgrades but pointless with out more to challenge you
  18. [R53] Alien Invasion 3/5 · US Used to enjoy it, it got horribly worse.: I played it way early on. Back when there was an in game suggestion box. When it was small and new and ads weren’t required for progression. They would give you bonus stuff for watching ads sure but it was your choice to watch them or not. Technically it’s still “only ads if you allow it” but that only applies to ads for stuff outside the game. Every time
  19. [R54] Alien Invasion 2/5 · US Find something else: I have put a lot of time into this game. The unrelenting pop ups are obnoxious, quest rewards make no sense, it becomes overwhelming with the amount of materials you have to grind. Seriously you are better off playing a match three game.
  20. [R57] Alien Invasion 1/5 · US Money Grab: Huge money grab, peppered with ads, constant micro transactions in your face, and to get rid of ads, you have to pay a subscription.
  21. [R60] Alien Invasion 2/5 · US Ads: Used to like the game. Played it quite a bit and decided to play it again. Starting the game there’s 4-5 pop ups asking you to spend real money. Once you click through all those, the game goes into an ad. So much for wanting to play the game again
  22. [R22] Alien Creeps TD 1/5 · GB Angry, very angry: (New iPhone) -I can't skip tutorial -Lost all update and weapon! I’m so angry!
  23. [R71] Alien Invasion 3/5 · US Fun, but….: This game is mindless fun and I love it… but… there is no save. No Game Center save, login, or anything that can port between my phone and iPad. When it’s relax game time and I get on the iPad, my progress is stuck on the phone. So I don’t play when I could. So I only play when I have time.

Synthesized from 110 recent App Store reviews · updated July 2026 · View on the App Store