The original Doom will be celebrating its 30th anniversary in a few years, and despite the game's age, players are still enjoying it. Doom's hardcore take on a first-person shooter with great platforming appealed to energy drink-fueled gamers of the 90s and inspired countless challenges between players to fully master the game. Some of these challenges require players to beat the game without killing anything, finding all the secrets, or mastering it on the hardest difficulty. A select few of these challenges are so ridiculous they were once thought impossible, but not anymore.

In 2019, Doom series expert Decino uploaded a video on his YouTube channel detailing several community challenges in the series that remained unbeaten. Many of these challenges existed on the Doom website Compet-N, where players from all over the world can try their hand at besting the hardest Doom series challenges. After Decino's video, several of the "Doom gods" (expert players known for beating hard challenges in Doom games) decided to try these challenges once again, and they managed to beat some of them.

RELATED: Doom Eternal's Upcoming Ancient Gods Part 2 DLC Reveal Should Go Big

Most of the remaining Doom challenges require players to beat certain levels Pacifist (killing nothing) or beat levels while finding all of the secrets. Finding secrets in Doom games requires walking over a specific section of floor to trigger the secret. This might not seem difficult, but a few secrets in Doom levels are actually impossible to get due to blocked paths or rooms too small to fit the player. While some Doom gods have employed glitch and save/load strategies to access these secret sections, both strategies are not permitted when recording demos, so these challenges remain unbeaten.

Other Doom gods made hundreds of attempts to try and beat levels doing Pacifist runs. Doom god Night Terror was able to beat TNT Evilution Map 05 in a Pacifist run on Ultra-Violence after numerous tries. His strategy required waiting for enemies to kill each other and cleverly using a teleporter in the level. Another player, JonaG, beat Map 09 of TNT Evilution on UV-Pacifist during a tool-assisted run that took over 19,000 takes.

These Doom runs represent some of the most creative play in the community. Though the original Doom has since received a 2016 reboot, these runs were all done in the original 1993 game. Besides continuing to beat game challenges once thought impossible, today's original Doom players are also finding ways to add new things to the game through modding. One modder named The Kinsie has created a Doom mod that gives Cacodemons Mario legs, and the results are particularly disturbing.

Doom is available on a variety of platforms.

MORE: PlayStation Announces Doom 3: VR Edition and It's Launching This Month