Yono 91: Deep Echo

PEAK LLC Casual

Drag the control to make the submarine move up and down. Most of the cave

Downloads: 5+; on Google Play
Price: Free; No in-app purchases
Updated: Sep 30; 2026 · v1.0.0

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About Yono 91: Deep Echo

Drag the control to make the submarine move up and down. Most of the cave is in darkness. The player needs to actively use the Sonar pulse to briefly display the boundaries of the cave. The sonar has a cooling time and the oxygen level keeps decreasing. Collecting glowing pearls can replenish oxygen and earn points. In advanced areas, dangerous deep-sea creatures will also appear.

App details

Yono 91: Deep Echo is a free Casual app for Android with 5+ installs on Google Play. It was released on September 28, 2026 and last updated on September 30, 2026. It's developed by PEAK LLC. It requires Android 7.0 or later.

Category: Casual
Installs: 5
In-app purchases: No
Ads: No ads
Version: 1.0.0
Requires Android: 7.0
Content rating: Everyone
Released: September 28, 2026
Last updated: September 30, 2026
Developer: PEAK LLC

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Yono 91: Deep Echo

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About Yono 91: Deep Echo

Alternatives to Yono 91: Deep Echo

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