Technology.5
Next upComplete The Host (challenge #18).
Start The Host from the Challenges menu and defeat Mom.
Each challenge has its own starting items and rules. The wiki page for the challenge has tips.
Sources:AchievementsChallengesThe Host
Achievement
Complete The Host (challenge #18).
In-game: “Unlocked a new item.”
Sources:AchievementsChallengesThe Host
Complete The Host (challenge #18).
Start The Host from the Challenges menu and defeat Mom.
Each challenge has its own starting items and rules. The wiki page for the challenge has tips.
Sources:AchievementsChallengesThe Host