Hmm. There's a lot to recommend here, but ultimately the game locked me into immobility on an unhelpful screen.
The atmosphere above ground was nice, the music was solid, I liked the guidance beacons initially, though they quickly became overused. Not being able to combine keyboard inputs presented a real problem when using tank controls for fixed cam. Atmospherics and sound design were nice, the models were appropriate to the era you were emulating - and I enjoyed the sudden switch to panicy-first person! There's a LOT of trudging around without anything to reward or further interest the player. Still, for a fan of fixed multicam, kinda interesting. =)