Onslaught Blocks

Fit blocks, clear rows or columns in an 8×8 grid.

"Game Objective
Drag the randomly generated Tetris blocks from below into the 8×8 grid above. Clear full rows or columns to earn points, aim for a high score, and avoid game over.
Game Area
Upper Main Grid: An 8×8 square board, which is your main playing area.
Lower Block Area: Displays the three available Tetris blocks.
Basic Rules
Placing Blocks
Select one of the three randomly shaped Tetris blocks displayed below.
Drag the selected block to any position within the 8×8 grid.
The block must be placed entirely inside the grid and cannot exceed its boundaries."