Overlapi vs Tension Tunnel
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Overlapi
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How much of the overlap can you keep? Overlapi is a deceptively simple game of timing and precision. Watch the moving square and tap at just the right moment. Only the overlapping area survives—and becomes the target for whatever comes next. Every imperfect tap leaves you with less room for error. Keep at least 50% to complete a level. Reach 75% for two stars, 90% for all three, or preserve everything for a perfect 100%. Take on 100 levels across 10 increasingly demanding zones. Squares become faster, arrive in greater numbers and introduce diagonal movement as you progress. Return to a level and your previous best remains visible as a target. Beat it by the smallest margin, chase three stars or keep pushing until the level is marked perfect. Earn stars to unlock every zone through play. Optional one-time in-app purchases let you unlock later zones sooner. FEATURES • Simple one-touch gameplay • 100 levels across 10 zones • Horizontal, vertical and diagonal movement • Up to 300 stars to collect • A visible previous-best target • Perfect-level and perfect-zone challenges • Game Center leaderboards and achievements • Optional one-time zone unlocks • No advertising or account required • Free to download and play Can you collect all 300 stars? Can you perfect an entire zone? The ultimate challenge is a flawless 10,000-point score: 100% on every level. Time your tap. Keep the overlap.
Tension Tunnel
A minimalist and challenging game that tests your focus and reflexes. Navigate through levels, avoid obstacles and enemies, and reach the portal. Unlock new ship avatars and power-ups in this addictive, one-touch experience.
- 30 challenging levels
- Over 100 unique enemies
- Minimalist neon style
- Unlockable ship avatars
- 3 power-ups
- One-touch gameplay
- Offline play
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Tension Tunnel is a casual, minimalist and challenging game that will put your focus, reflexes, and nerves to the test. The game has simple mechanics but it requires high dexterity and precise execution from the player. The goal is simple: avoid all obstacles and reach the portal to go to the next level. Download it now and start feeling the tension. Be careful, it's highly addictive! * Easy to learn. Hard to master * 30 challenging levels * More than 100 unique enemies * Minimalist look with neon style * Unlock new ship avatars * 3 different power ups to use * Simple and intuitive controls with one touch gameplay * Amazing atmospheric music * Many hours of fun * Play offline * Free to play Website: https://tensiontunnel.com Contact: contact@atomicinstinct.com
Screenshots
Verdict
The clearest difference is update cadence: Tension Tunnel at every 3 weeks against Overlapi's every 12 months. Tension Tunnel also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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
Both are free to download. Overlapi sells 9 one-off in-app purchases and Tension Tunnel sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Overlapi ships an update every 12 months, Tension Tunnel every 3 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.
| Parameter | Overlapi | Tension Tunnel |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | NUIFISH LIMITED | Mauricio Togneri |
In-app purchases
Overlapi
- Unlock Zone 2$0.99
- Unlock Zone 3$0.99
- Unlock Zone 4$0.99
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- Unlock Zone 5$0.99
- Unlock Zone 7$0.99
- Unlock Zone 6$0.99
- Unlock Zone 8$0.99
- Unlock Zone 10$0.99
- Unlock Zone 9$0.99
Tension Tunnel
- Infinite lives$0.99
- All levels$0.99
- All avatars$0.99
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- Coin Pack 100$0.99
- Coin Pack 500$1.99









