THUNDON vs Invaders Retro
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
THUNDON
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- Difficult Mode B There is also a mode with many different types of stuffed animals, Game B. - Elements of gameplay As you play through the game, you will unlock new characters that you can use. The rules are a little different for each character. - Recreating a nostalgic atmosphere The instructions that come with the electronic game reproduce the atmosphere of the time. In addition, you can play with deteriorating reflectors and polarizers. I hope you enjoy the nostalgic sense of play!
Invaders Retro
Defend Earth from relentless alien waves in this retro-inspired shooter. Discover hidden scoring mechanics as you battle through increasingly challenging levels to save the planet.
- Alien invasion gameplay
- Wave-based challenges
- Hidden scoring system
- Retro graphics
- Planet defense
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Climb the ranks and save the planet from the alien invasion. Waves and waves of aliens, when will it end ? Find hidden scoring as you play.
Screenshots
Verdict
The clearest difference is update cadence: Invaders Retro at weekly against THUNDON's every 10 months. Invaders Retro also leads on device support (4 vs 2). THUNDON's advantage is iOS requirement (11.0 vs 14.2). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
THUNDON costs $0.99 and Invaders Retro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
THUNDON ships an update every 10 months, Invaders Retro weekly. The most recent releases landed on August 22, 2026 and September 9, 2026 respectively.
| Parameter | THUNDON | Invaders Retro |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 10 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 14.2 |
| Further details — not scored | ||
| Size | 45 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideki Kubo | Justin Ngan |
In-app purchases
THUNDON
No in-app purchases
Invaders Retro
No in-app purchases
