
1) Adventurer 2) Atari 8-bit family game 3) Broderbund game 4) Cave man 5) Explorer 6) Irem game 7) One exploring deeply 8) Potholer 9) Spelaeologist 10) Speleologist 11) Virtual Console game
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https://www.crosswordclues.com/clue/spelunker

1) Caveman 2) Caver 3) Potholer 4) Spelaeologist 5) Speleologist
Found on
https://www.crosswordclues.com/clue/spelunker
[video game] Spelunker is a 1983 video game developed by Tim Martin and MicroGraphicImage. It is a platform game similar to Pitfall! or Curse of Ra. Originally released by MicroGraphicImage for the Atari 8-bit computers in 1983, the game was later ported to the Commodore 64 and re-released by Brøderbund in 1984, with European publishing ri...
Found on
http://en.wikipedia.org/wiki/Spelunker_(video_game)

Spelunker is American slang for someone who explores caves.
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http://www.probertencyclopaedia.com/browse/ZSD.HTM

speluncer, spelunker 1. Someone who makes a hobby of exploring caves, 'a caver'. 2. Another term for a speleologist. 3. Etymology: 'A cave bug; one who explores caves as a hobby', 1942, formed from obsolete spelunk 'cave, cavern' (c.1300), from Old French spelunque, from Latin spelunca, 'a cave, cavern, grotto', from Greek spelynx (genitive spely...
Found on
http://www.wordinfo.info/words/index/info/view_unit/3590/
No exact match found.