Space Wars is a free retro arcade game that offers a thrilling action-packed experience. The game requires players to defeat an incoming swarm of alien invaders by collecting power-ups to upgrade their weapons and lives. With global leaderboards, players can compare their high scores to others and enjoy challenge games.

The game features original soundtracks, a progressive level of difficulty, 4 upgradeable weapons plus a bomb, 50 unique levels, and 6 power-ups. One of the unique features of the game is that weapons do not degrade after death, starting from level 25. Additionally, reaching level 50 comes with a bonus of 10,000 points, and catching a bomb with no enemies around earns players an extra 50 points.

Overall, Space Wars is a highly enjoyable game that provides an adrenaline rush to players. It's a great way to kill time and challenge yourself to beat your high score or compete with others on the global leaderboards. Download it today and enjoy the retro arcade experience.