Betika

Betika's Space Invaders grid contains three distinct alien types, each occupying specific rows of the 5Г—10 formation and awarding a different number of points when destroyed. Bottom-row aliens are the most accessible targets spatially but award the fewest points, shooting through them to reach higher rows is the classic high-score strategy. Top-row aliens are harder to reach because lower rows obstruct the shot path early in the wave, but they yield the highest points per kill when targeted successfully. As waves advance, the alien type distribution remains consistent within the formation, only formation speed and powerup drop frequency change with higher wave numbers. Space Invaders is offline and requires no account; all three alien types are present and scorable from the very first wave.