Swallow Hole: Collect Master is a free-to-play arcade game developed by Redmob for Android devices. In this game, you control a powerful black hole to collect objects and battle monsters. The objective of the game is to collect as many objects as possible to grow your hole and complete levels in record time. As you progress, you can upgrade your hole for enhanced speed, size, and power to swallow even the biggest balls, earth, and object stacks.

The game features diverse environments and challenges in each level, including boss fights. You can earn achievements and unlock hole skins with more features to become a true black hole game master. The gameplay is addicting and reminiscent of other hole io and attack hole games, making it a fun and engaging experience for players of all ages.