If you are looking for similar gameplay without a cost, there are legal, fan-made "Observation Duty" style games available on trusted platforms: I'm on Observation Duty 4 Price history - SteamDB

Searching for a of I’m on Observation Duty 4 is highly discouraged, as the game is a paid title . Sites offering it for free typically distribute pirated copies that pose significant security risks to your device. Official Sources and Pricing

Table_title: Steam price history Table_content: header: | Currency | Current Price | Converted Price | | Lowest Recorded Price | | Buy I'm on Observation Duty 4 PC key - GG.deals