Play on 4x4 or 5x5 grids to avoid getting three in a row. Take turns placing Xs and Os. Win by blocking opponent's lines or completing your own. Adjust grid size for different difficulty levels.
Play as a defending Earth and outposts from alien invasions. Shoot waves of enemies with various weapons. Unlock new ships and power-ups. Navigate through scrolling levels with retro pixel graphics. Upgrade weapons and customize ship features.
Navigate alien environments to guide astronauts to matching exits. Manipulate time to alter event sequences and resolve paradoxes. Solve puzzles by changing outcomes and interacting with past selves.
Navigate through galaxies and tap to collect treasures like yellow stones and gift boxes using a spaceship’s claw tool. Earn in-game points to unlock upgrades and boost scores.
Play by dragging the across the screen to navigate through space. Avoid asteroids and planets while collecting stars for new rockets. Choose from six different rockets and use boosters to enhance gameplay.