GOOD
The Burning Shrine | 9/10 | Best in Rumble, Skirmish
+ Good lines of sight
+ Moving centerpiece makes gameplay dynamic
+ Good height variation and wide hallways
+ Gorgeous environment and skybox
+ Contestable heavy ammo spawns
+/- Callouts
- Map boundaries outdoors aren't obvious
- Sunglare overbearing at times
Shores of Time | 8/10 | Best in Control, Skirmish
+ Good lines of sight
+ Decent height variation
+ Easy callouts
+/- Environment; clean and appealing in some areas, messy in others
+/- Contestable heavy ammo spawns
- Some chokepoints too small
- Predictable spawns
Rusted Lands | 8/10 | Best in Control, Skirmish
+ Good lines of sight
+ Good height variation
+ Pleasing environment and skybox
+ Easy callouts
+/- Contestable heavy ammo spawns
- Predictable spawns
- Somewhat oversegmented
Firebase Delphi | 8/10 | Best in Rumble, Control
+ Amazing opening rush
+ Good lines of sight
+ Good height variation and wide hallways
+ Contestable heavy ammo spawns
+ Pleasing environment and skybox
- Doors open too slowly
- Spawning too far away from teammates
Asylum | 7/10 | Best in Rumble, Skirmish
+ Decent lines of sight
+ Decent height variation
+ Easy callouts
+ Gorgeous environment
+ Contestable heavy ammo spawns
- Some chokepoints too small
- Railings top balcony should be removed to make it a power position
DECENT
The Anomaly | 6/10 | Best in Rumble
+ Moving centerpiece
+ Mix of good lines of sight and close quarters
+ Contestable heavy ammo spawns
+ Easy callouts
- Center room and balcony area is visually and geometrically cluttered
- Some chokepoints too small
First light | 5/10 | Best in Control
+ Decent height variation
+ Turrets are good vehicle counters
+ Easy callouts
+ Contestable heavy ammo spawns
- Linear paths make boring and predictable vehicle routes
- Predictable spawns
- Hazy draw distance
- Gratuitous amounts of dead space
- Some buildings too small
BAD
Exodus Blue | 4/10 | Best in Skirmish
+ Contestable heavy ammo spawns
+ Decent environment and skybox
+/- Decent height variation outdoors; indoors is flat
- Predictable spawning
- Callouts
- No desirable position on the map
- Cluttered, inconsistent lines of sight and geometry
- Geometry that is difficult to stand on
Twilight Gap | 2/10 | No best gametype
+ Decent height variation
+ Beautiful skybox; mountaneous regions are visually appealing
+ Contestable heavy ammo spawns
- No flow whatsoever; cat and mouse gameplay
- Cluttered sightlines
- Copious amounts of cover; superfluous paths
- Callouts
Blind Watch | 2/10 | No best gametype
+ Good height variation
+ Decent environment and skybox
+/- Callouts
+/- Contestable heavy ammo spawns
- Entire water area is deadspace
- Cluttered sightlines (the pipes top mid in particular)
- Geometry that is difficult to stand on
- Predictable spawning
- Automatic doors tend to lag
- Head scratching control zone placement
- Destiny's Sword Base; gameplay favors the hallway around B, rendering the majority of the map useless.
I've only played Bastion once so didn't include it.