150 pixel-art tower backgrounds — stairs, libraries, clockwork, observatory, battlements · 320x160 + 1280x640 — the download has every scene at full quality (320×160 native + 1280×640 or 800×400) with no watermark.
counterweight_shaft ladder_hatch_floor spiral_stair_broken spiral_stair_light spiral_stair_narrow spiral_stair_stone spiral_stair_wooden stair_landing_window stair_shaft_view_down stair_shaft_view_up tower_alchemy_lab_alt tower_alchemy_round tower_archive_ladder tower_armoury_round_alt tower_arms_rack_round tower_attic_dust tower_aurora_top tower_aviary tower_balcony_high tower_balcony_sunset_alt tower_base_forest_alt tower_bat_loft tower_battlement tower_beacon_top tower_bedchamber tower_bedchamber_round_alt tower_bell_chamber tower_bell_chamber_alt tower_bird_nest_room tower_boot_room tower_bridge_broken tower_bridge_span tower_broken_floor tower_broken_top tower_burnt_room tower_causeway tower_cellar_arched tower_chapel_small tower_chapel_stained_alt tower_cistern_base tower_cistern_top tower_city_skyline tower_clock_face_inside tower_clock_mechanism tower_clockwork_room_alt tower_cloud_level tower_courtyard_base tower_dome_interior tower_door_iron tower_dovecote tower_drawbridge tower_dungeon_cells_alt tower_entrance_hall tower_exterior_cliff tower_exterior_day tower_exterior_desert tower_exterior_forest tower_exterior_night tower_exterior_snow tower_exterior_storm tower_final_landing tower_flagpole tower_flooded_base tower_fog_top tower_forgotten_room tower_furnace_base tower_gallery_ring tower_garden_base tower_gargoyle_ledge tower_gate_arch tower_gate_entrance_alt tower_great_hall_alt tower_herb_drying tower_hoist_shaft tower_ice_room tower_key_room tower_kitchen tower_kitchen_round_alt tower_lantern_room tower_ledge_outside tower_lever_room tower_library_double tower_library_levels_alt tower_library_round tower_lighthouse_lamp tower_locked_door_inside tower_map_room tower_market_base tower_mirror_room tower_moat tower_murder_hole_room tower_observatory tower_observatory_night_alt tower_oubliette tower_overgrown_room tower_pantry tower_path_approach tower_pigeon_loft tower_porter_room tower_prison_cell tower_reading_nook tower_roof_battlements_alt tower_roof_conical tower_roof_flat tower_roof_gap tower_rope_crossing tower_rope_descent tower_row_distant tower_rubble_room tower_ruin_field tower_ruined_base tower_ruined_interior_alt tower_scaffold_inside tower_scaffolded tower_scribe_landing tower_seaside_cliff_alt tower_shrine_niche tower_shutter_room tower_signal_room tower_skylight_oculus tower_snow_exterior_alt tower_spiral_stair_torches_alt tower_spiral_wide tower_stable_base tower_stair_outdoor tower_star_chart_wall tower_starfield_top tower_storage_round tower_storeroom_crates_alt tower_storm_balcony tower_storm_top tower_study tower_summit_dawn tower_summit_room tower_sunrise_top tower_sunset_top tower_tomb_room tower_trapdoor_room tower_treasure_room tower_twin_bridge_alt tower_vaulted_ceiling tower_view_all_directions tower_watch_platform tower_weather_vane tower_well_courtyard tower_well_shaft tower_window_arrow tower_window_broken tower_window_entry tower_window_round 
