150 pixel-art cave backgrounds — entrances, shafts, crystal chambers, underground rivers, ruins · 320x160 + 1280x640 — the download has every scene at full quality (320×160 native + 1280×640 or 800×400) with no watermark.
abseil_wall abyss_edge abyss_rope_descent amethyst_pocket ammonite_slab anchor_bolts_wall bat_roost bioluminescent_pool bivouac_ledge boat_cave_lake bone_pile_cave boulder_bridge_cave boulder_choke breakdown_pile camp_underground catacomb_niches cave_carvings cave_door_iron cave_junction_marked cave_map_ledge cave_paintings_ochre cave_shrine_old chamber_domed chamber_great chamber_pillars chimney_climb cistern_underground collapse_fresh crack_widening crawl_tunnel crystal_chamber_blue crystal_chamber_white crystal_giant_beams curtain_formation dark_passage_lamp deep_camp_final deep_dark_void depth_gauge_station drip_pool_ceiling dry_streambed_cave echo_chamber entrance_camp entrance_cliff entrance_desert entrance_forest entrance_ruin entrance_sinkhole entrance_snow entrance_water exit_climb_out exit_meadow exit_night_stars flood_line_wall flowstone_wall fossil_bone_bed fossil_footprints fossil_wall frozen_waterfall_cave fungus_garden_cave gallery_wide gas_pocket_warning gear_staging geode_hollow glowworm_ceiling gold_vein_cave gour_dams gravel_slope_cave guard_post_cave gypsum_flowers handline_traverse helictite_cluster ice_cave_entrance ice_chamber ice_floor_slippery ice_stalactites ice_tunnel iron_stair_cave keyhole_passage ladder_wooden_shaft lake_shore_cave lake_underground lamp_row_wall lava_tube_cave lava_tube_skylight mine_cart_abandoned mine_collapse mine_flooded_level mine_powder_store mine_rail_cave mine_shaft_timbered mine_winch_room miner_camp_underground moonmilk_wall moss_light_shaft mud_bank_cave mud_flow_passage mushroom_giant_cave narrow_ledge_water nest_cave_ledge old_mine_junction ore_seam permafrost_passage plank_walkway_cave popcorn_rock quartz_vein resting_pool_clear rift_narrow rimstone_pools river_cascade_cave root_curtain_cave rope_bridge_chasm rope_rig_top salt_cave_wall sand_floor_cave sarcophagus_cave scallop_wall second_entrance shaft_bottom shaft_ladder shaft_vertical siphon_narrow soda_straws spider_web_cave spray_chamber squeeze_passage stalactite_forest stalagmite_field steam_passage stream_meander sulphur_cave sump_pool sunken_city_cave supply_cache_cave surface_light_far survey_marker_cave thermal_pool_cave torch_soot_wall treasure_alcove twilight_zone underground_bridge_stone underground_gate_stone underground_hall_pillars underground_river underground_stair_carved underground_temple unstable_ceiling volcanic_vent_cave waterfall_curtain_pass waterfall_shaft wind_passage 
