Collision issue in Paramount Tower has been fixed

You can no longer get stuck in the Orbs in Paramount Tower

Sonic now has new sprites (some may be unfinished, will be fixed in next update)

Enemies now have a chance of dropping health

Encore mode. Similar to Sonic Mania, Sonic ATOV now has an expansion. The expansion includes altered level design for all three stages, a continuation to the story, and a new final boss. Its basically hard mode, and recommend to those who have already complete the main game, and wish for a harder challenge

Window size can be increased by pressing F4

Camera size can be increase by pressing either 1, 2 or 3 ingame. (this is an experimental feature and may cause a few bugs)