Stack Up turns color-matching chains into longer stacks
Stack Up puts you on a board packed with round, multicolored pieces, and your job is to link matching ones before the move limit bites. It plays like a Puzzle challenge with a clean, stylised look, so every move is about choosing the right color path and building a longer chain.
Build stacks by tapping one color at a time
Controls stay simple: tap a stack to select it, then connect it with other stacks of the same color. As you extend the chain, the stacks merge and you work toward the level goal, which may ask for a certain color and quantity rather than just a plain clear.
Chase longer chains for bigger progress
The game rewards length, and the source specifically calls out chains of 10 or more as an important target. Bigger stacks help you make better progress, and that pressure to keep extending the chain is what makes each board matter.
Stages get tighter as you move forward
Levels become more demanding as you advance, so you cannot just tap randomly and hope for the best. If you enjoy board games that revolve around colour sorting and careful linking, Ball Sort Puzzle and Aqua Sort follow a similar pattern, while Lines 98 and Arcade Lines Online echo the same chain-building pressure in a different layout.
It is a straightforward single-player run through many stages, with each board asking you to think a little farther ahead. The matching palette and compact goal structure also fit the Colors tag and the Puzzles tag, while the Simple tag matches the tap-and-link approach.