LX Episode 1 LX Episode 1 - Is a fun, addicting, retro-style, arcade shooter! In it the Krell, a mysterious alien race, has come to enslave the people of Earth. You are Earth's last hope for survival as you go up to ... Cost: $5 Buy full version       Trial version       Publisher: Keith Weatherby II     Descriptions LX Episode 1: LX Episode 1 - Is a fun, addicting, retro-style, arcade shooter! In it the Krell, a mysterious alien race, has come to enslave the people of Earth. You are Earth's last hope for survival as you go up to defend the major cities of the earth, by getting into Area-51's experimental prototype air/spacecraft - The Liberty-X or "LX1" for short. This game features 32 levels of retro-style arcade action, 4 challenging boss levels, and 4 futuristic cities to defend. See if you can defend Earth's cities as well as gain the highest score ever!