Merman opens a new package from Psytronik and takes a look at three new games:-

Sleepwalker
Platman Worlds
Space Trip 2085 (bonus game)
Space Trip 2086

All are available to buy (as physical games or digital downloads) from:

http://www.binaryzone.org/retrostore/

Footnote: since the gameplay footage was created, Platman Worlds has been updated to v3. This means it now saves your progress to disk (or disk image) allowing access to the later levels when you have unlocked them.