# On High Alert — Stealth Game, Guard vs Thief!

> Stealth Game, Guard vs Thief! (iPhone/iPad app by Synthetic Mind AB.)

- Source: https://appshunter.io/ios/app/on-high-alert/id1609630385 (this page in markdown: same URL + `.md`)
- Developer: [Synthetic Mind AB](https://appshunter.io/developer/1256122836)
- Category: Games, Casual, Strategy
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 12.0 · 157 MB
- Languages: American English
- Released: 2022-05-09
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/on-high-alert/id1609630385/reviews.md

## What is On High Alert?

In this simple tactical game, you must use stealth and wits to complete the objective. Control one or multiple thieves, stay away from the guards, and steal the gold!


VARIED GAMEPLAY
Many different levels and different game objectives! Guards that patrol in different way will always keep you engaged!


MULTIPLAYER
Engage your friends in real time multiplayer!
Play either as a guard or thief: As a guard, you must protect the gold and try to locate the thiefs. As a thief, you must avoid confrontation, work in teams to distract the guards and outsmart them!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Handful of Gems | $0.99 | one-time |
| Pile of Gems | $3.99 | one-time |
| Pouch of Gems | $8.99 | one-time |
| Barrel of Gems | $22.99 | one-time |
| Vault of Gems | $109.99 | one-time |
| Chest of Gems | $54.99 | one-time |



## Version history (last 5 releases)

### 1.16 — 2023-06-21

New Game Play with more tactics

### 1.10 — 2022-07-27

Added missions! .. and some bugs

### 1.09 — 2022-07-04

Single player thief campaign is made to be more arcade-style gameplay

### 1.08 — 2022-06-17

Added virtual joystick

### 1.07 — 2022-06-10

New game mode: Play as guard!

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## More apps by Synthetic Mind AB

- [Carpet Bombing - Bomber Attack](https://appshunter.io/ios/app/carpet-bombing-bomber-attack/id1256122837)
- [Carpet Bombing 2](https://appshunter.io/ios/app/carpet-bombing-2/id1485576092)
- [Kingdom Command](https://appshunter.io/ios/app/kingdom-command/id1586147637)
- [RobRide](https://appshunter.io/ios/app/robride/id6444909902)
- [Puzzle Jumper](https://appshunter.io/ios/app/puzzle-jumper/id6460822043)

All apps by Synthetic Mind AB: https://appshunter.io/developer/1256122836

## Related topics

[synthetic mind ab](https://appshunter.io/ios/topics/synthetic-mind-ab)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*