These are some of the game that I've found to be particularly interesting (difficult to narrow down for convenience):

https://ldjam.com/events/ludum-dare/38/a-small-world-cup

https://ldjam.com/events/ludum-dare/38/test-test-test

https://ldjam.com/events/ludum-dare/38/6-sided-sojourn

These are worth a look as well:

https://ldjam.com/events/ludum-dare/38/dimpock

https://ldjam.com/events/ludum-dare/38/murder-mitosis

https://ldjam.com/events/ludum-dare/38/shrinking-planet

https://ldjam.com/events/ludum-dare/38/scenes-in-a-globe

https://ldjam.com/events/ludum-dare/38/the-spoiled-prince

https://ldjam.com/events/ludum-dare/38/galactic-girl-and-the-puzzle-planets

https://ldjam.com/events/ludum-dare/38/planetary-remains

https://ldjam.com/events/ludum-dare/38/quantum-catburetor

https://ldjam.com/events/ludum-dare/38/sunny-world

https://ldjam.com/events/ludum-dare/38/flovala

https://ldjam.com/events/ludum-dare/38/slife-of-life

https://ldjam.com/events/ludum-dare/38/rashlander

https://ldjam.com/events/ludum-dare/38/protolife

https://ldjam.com/events/ludum-dare/38/tiny-tony

https://ldjam.com/events/ludum-dare/38/crater-creator

https://ldjam.com/events/ludum-dare/38/headroom

https://ldjam.com/events/ludum-dare/38/petty-puny-planet-38

https://ldjam.com/events/ludum-dare/38/clean-the-dorm

https://ldjam.com/events/ludum-dare/38/space-raiders

https://ldjam.com/events/ludum-dare/38/microspace

Shameless plug:

https://ldjam.com/events/ludum-dare/38/amoebros

:)

Post your top picks in the comments and I'll check them out.