can you tell me more about the differences between the versions?
Each versions have different graphics,  integrated musical elements  and additional gameplay options
Space Invaders
Ported versions generally feature different graphics and additional gameplay options—for example, "moving" defense bunkers, zigzag shots, invisible aliens, and two-player cooperative gameplay. Ports on earlier systems like the Atari home consoles featured simplified graphics, while later systems such as the Super Nintendo Entertainment System and PlayStation featured updated graphics. Later titles include several modes of gameplay and integrate new elements into the original design. For example, "Space Invaders Extreme", released on the Nintendo DS and PlayStation Portable, integrated musical elements into the standard gameplay. A 2008 spin-off for WiiWare, "Space Invaders Get Even", allows players to control the aliens instead of the laser cannon in a little bit of role reversal.
what are space invaders? A video game when was it created? UNANSWERABLE who developed it? Tomohiro Nishikado does it have any sequels? Yes, Space Invaders Extreme, Space Invaders Get Even what critical reception did the former receive? It has been the best-selling video game and highest-grossing "entertainment product"
wiki:13496243
Space Invaders [SEP] Remakes and sequels
"Space Invaders" has been remade on numerous platforms and spawned many sequels. Re-releases include ported and updated versions of the original arcade game. Ported versions generally feature different graphics and additional gameplay options—for example, "moving" defense bunkers, zigzag shots, invisible aliens, and two-player cooperative gameplay. Ports on earlier systems like the Atari home consoles featured simplified graphics, while later systems such as the Super Nintendo Entertainment System and PlayStation featured updated graphics. Later titles include several modes of gameplay and integrate new elements into the original design. For example, "Space Invaders Extreme", released on the Nintendo DS and PlayStation Portable, integrated musical elements into the standard gameplay.