Rat Killer Robot Invasion vs ORBITAIL
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rat Killer Robot Invasion
Embark on an epic quest to exterminate waves of invading rats with futuristic weapons. Collect in-game currency to unlock new zones, upgrade your robot companion, and customize its appearance. Explore diverse worlds and face challenging puzzles and boss battles.
- Rat extermination action
- Robot customization
- Weapon collection and upgrades
- Diverse world exploration
- Puzzles and boss battles
- Collect money and gems
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Rat Killer Robot Invasion: Save the World! The world is under siege by a relentless rat army! It's up to you, the ultimate Rat Killer Robot, to restore peace and cleanliness. Are you up for the challenge? Rat-Blasting Action: Armed with powerful weapons, embark on an epic quest to exterminate the rat invaders. Zap, blast, and splat your way through waves of rats to protect the world! Collect & Upgrade: While on your rat-slaying adventure, gather valuable money and glittering gems. Use them to unlock new zones, buy futuristic weapons, and upgrade your trusty robot companion. Customize your robot with cool, eye-catching designs. Explore Diverse Worlds: Travel through various zones, each with unique challenges and rat foes. From city streets to hidden sewers, the battle against the rat invasion rages on! Game Features: - Non-stop rat extermination action! - Endless customization options for your robot. - A plethora of weapons to choose from. - Exciting puzzles and epic boss battles. - Explore different zones and unlock secrets. - Collect money, gems, and robot parts. - Free to play! Join the Rat Killer Robot Invasion and be the hero the world desperately needs
ORBITAIL
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Orbit a dying star. Every turn leaves a trail—and your trail becomes the danger. Tap left to dive and right to climb as you survive six escalating phases of orbital hazards. - Play Classic, Zen, and Daily modes. - Master Constellation Trials and unlock new visual paths. - Share a Rival Orbit with a friend and race the same challenge. - Enter live Online Duels when connected. - Adjust haptics, music, effects, and contrast to play your way. One more orbit is never enough.
Screenshots
Verdict
The clearest difference is update cadence: Rat Killer Robot Invasion at every 10 days against ORBITAIL's every 2 months. Rat Killer Robot Invasion also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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
Both are free to download. Rat Killer Robot Invasion sells 10 in-app purchases, starting at $4.99 per 7 days and ORBITAIL sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Rat Killer Robot Invasion ships an update every 10 days, ORBITAIL every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Rat Killer Robot Invasion | ORBITAIL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2K ratings) — better | — |
| Positive reviews | 31.1% of reviews | — |
| Number of ratings | 2K — better | — |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 353 MB | 22 MB |
| Age rating | 9+ | 4+ |
| Developer | TapNation | Hyacinthe Loua |
Bugs and requests
Rat Killer Robot Invasion
Reported bugs
8 issues- Character flipping upside down or flying across the board
- NPCs getting stuck in portals or on walls
- Incorrect item/reward drops from chests
- Launching player off the screen
- Robot unable to keep legs on the ground and rolling around
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- Collector robot not depositing cash
- Portal progression not working as intended
- Crashes on launch
Requested features
4 requests- Optimize performance and fix bugs
- Improve game balance and progression
- Add more content and features
- Provide better customer support
ORBITAIL
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rat Killer Robot Invasion
- VIP Membership - Weekly$4.997 Days
- Elite Membership - Weekly$8.997 Days
- Elite Membership - Monthly$24.991 Month
- Skip It - Small Pack$0.99
- One Time Offer$1.99
- Handful Of Crystals$1.99
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- Bunch Of Crystals$4.99
- Pile Of Crystals$8.99
- Rats Pass$9.99
- Premium Offer$39.99
ORBITAIL
- Skip Ad$0.99
- Remove Ads$2.99
Questions
Is Rat Killer Robot Invasion free?
Is ORBITAIL free?
Do Rat Killer Robot Invasion or ORBITAIL have ads?
Which is updated more often, Rat Killer Robot Invasion or ORBITAIL?
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