Provide a colored transparency sheet (e.g., red or orange). When placed over a "static" or "jumbled" image on paper, it reveals hidden text. Step-by-Step Design Guide
Start with a "Mission Briefing" on aged paper. Explain that players are trapped in a 1970s living room and must find the "exit key" before the time runs out. Escape.from.the.70s.rar
Create a printable rotary phone dial . Players must "dial" a specific word (like "CALL ME") found from other clues to reveal a code. Provide a colored transparency sheet (e
Use a drawing of a cassette tape where the "ribbon" (the tape visible at the bottom) contains a sequence of numbers or letters that need to be decoded. Explain that players are trapped in a 1970s
Look at common DIY escape room ideas for inspiration. Good 70s puzzles include using a Fortune Teller/Cootie Catcher to reveal numbers or using "secret agent" ciphers inspired by the Cuban Crisis or MI6 themes.