Good maps:
Levels
Water Reactor
Stove Pipes
Shafts
Scaffolding
Stoneheads
Hole
Frame
Grid
Antenna
Warehouse
Platforms
Amphiheater
Filters
Thrones

Maybe maps:
Cistern
Joint
Barrels
Islands
Pylons
Waterworks
Substructure
Sky Lobby
Rust Core
Refinery
Roof
Memory Bypass
Hub
Accelerator
Barrens

Bad maps:
Causitc Vats
Baths
Cave
Prossesing Unit
Water House
Steps
Side Paths
Sea Spires
Nest
Substation
Rock Bottom
Power Flux
Mines
Lightning Machine
Planters
Man Eater
Twisted Ruin
Filtration Node
Gantry
Girders
Conflux
Duct
Decaying Construct
Dark Water
Crawl Space
Chutes
Chapopcorn
Dark Tower
Charger
Chamber
Acid Field
Void Shirne
Muck Machine
Passages
Blocks
Sun Baked
Towering
Shortcuts
Submeged
Railway
Aorta
All Multimaps

Small or really open potentially good for tie breakers/1v1s:
Summit
Grill
Pit
Water Deposit