R-Type Dimensions

You have to kill every kind of enemy in both games. There are 64 of them (counting bosses). I´m not going to tell you every enemy of the game, but those that are harder to kill, so it´s easy to leave them (most people get 62-63 easily just by playing both games).

First thing you should know, it´s that last boss of R-Type counts as killed even if he dies for time. It´s a hard boss, so keep in mind killing him isn´t needed.

There is a junk thing on Stage 7 of first R-Type that flies from the left to the right. If you shoot it, it won´t flash, make any breaking sound... Anything. But you can kill it and it counts toward the achievement. Probably you will need some powerups, keep that in mind.

In Stage 6, don´t forget to kill at least one of those giant flying squares with an orb. Some people forget them and they count as well.

You have to kill the three parts of Stage 4 boss too. I first thought I had last boss left, and I kept playing until I could beat him (I got like 10.000 kills in the process, just by repeating Stage 8), but it was this one. Try to get at least a level 2 Force, because shooting from his back it´s pretty useful.

I think there are some things that counts in R-Type II final boss, so try blowing all up in that one.

If you have killed all of this, check if there´s any boss you have killed, and if there isn´t, try killing every thing that moves in any level. There aren´t many that move and can´t be killed.