Here is the full list of all 10 TIS-100 achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Solve every puzzle in the TIS-NET DIRECTORY.
Solve every puzzle in the TIS-100 SEGMENT MAP.
Solve SEQUENCE REVERSER without writing any values to a stack memory node.
Solve SEQUENCE COUNTER without using the SWP instruction.
Find and solve the hidden puzzle.
Solve SIGNAL COMPARATOR without using the JGZ, JLZ, JEZ, or JNZ instructions.
Crash the TIS-100 with the hidden opcode.
Solve SIGNAL AMPLIFIER in fewer than 100 cycles.
Solve SELF-TEST DIAGNOSTIC in over 100,000 cycles.
View the TIS-100 manual.