Innovation often demands too much of games. Wild new concepts and bizarre elements are required for a game to be considered innovative, while those that reinvent old ideas in new ways are overlooked as derivative or borrowed.
Thinking about how to transform the box through iteration can be just as innovative as thinking outside of it and that's exactly what minimalist puzzler Monospace does.
Monospace takes the centuries-old game sokoban and toys with the perspective. Like its ancient inspiration, your goal lies in manoeuvring a box in enclosed stages.