Bing found the following results
Cover Fire: Offline Shooting - Apps on Google Play
15 Best Offline Shooting Games for Android (2024) | Beebom
The Best Offline Shooting Games—No Wi-Fi Required! [July 2020]
Sniper 3D:Gun Shooting Games - Apps on Google Play
15 Best Offline Shooting Games for Android (2024) - DigitBin
Gun War: Shooting Games - Apps on Google Play
Top Shooter games tagged offline - itch.io
Cover Fire: Offline Shooting Game on Steam
7 of the Best Offline Shooting Games for Android and iOS
20 Best Offline Shooting Games For Android - TechShout