As of June 1, 2019, the Tekkit Classic Wikia's 2nd research challenge (worth $100 USD) has officially been solved! Thanks and congratulations to Sir Vyvin for successfully solving the challenge, as well as being the first person to ever solve a research challenge on the Tekkit Classic Wikia! Enjoy your new $100, Sir Vyvin!
If you think you have what it takes to solve the Tekkit Classic Wikia's research challenges, read about them here and earn up to $400 for solving the remaining challenges!