Have been playing Trine for an hour or so every day as a bit of light relief from database coding. It's a great game with sickeningly beautiful scenery and animations (I am green with envy). Gameplay-wise it blends together physics gaming and platforming in a way that works. Switching between characters on the fly makes for some nice moments, such as rope swinging onto a platform as the thief then immediately transforming into the knight to smash up some skeletons.
It reminds me of a few games I've enjoyed in the past such as Ghosts 'n' Goblins, Imogen (and old BBC puzzler with a transforming character) and Spherical. The physics puzzles are reminiscent of Half Life 2, albeit in 2.5D.
This is very different to Frozen Byte's previous games (aliens-esque shooters: ShadowGrounds and ShadowGrounds survivor) but shares an attractive approach to lighting.
I hope to be working on the game again in the next couple of weeks. Coding is complete on the latest release of my database for scale modellers. Just testing to complete - bah.