| Effect | Seed Code
|
|---|
| All enemies have permanently feared | FEAR M1NT
|
| All floors have the basement room tile set | BASE MENT
|
| All items except troll bombs mimic Issac's movement | KEEP AWAY
|
| CRT display | B00B T00B
|
| Can destroy rocks | NFB8 3WSG
|
| Character and tears turn black | PTCH BLCK
|
| Character leaves fecal trail | BRWN SNKE
|
| Character only visible as brown shadow | CAM0 K1DD
|
| Character takes double damage | HARD HARD
|
| Concussive enemies that move randomly | C0NF ETT1
|
| Doors open immediately, tears are harmless;Boss's health act as timers | PAC1 F1SM or PAC1 F1ST
|
| Easier game | 1337 HAXR
|
| Eligible enemies become champions | CHAM P10N
|
| Enemies become feared randomly | FRAI DN0T
|
| Enemies fight each other | C0CK FGHT or CLST RPH0
|
| Enemies only visible as brown shadows | CAM0 F0ES
|
| Enemies respawn when character leaves room;new items do not drop | C0ME BACK
|
| Grey character | KAPP A
|
| Invisible character except for surrounding light effect | 1MN0 B0DY
|
| Invisible enemies | BL1N DEYE
|
| Jumbled in-game text | DYSL EX1C
|
| Large pools of blood when enemies die | BL00 00DY
|
| Load screen always displays "Are You Sure You Want Me To Die?" | 1TEN DSHE or SUPA SWAG
|
| Pill names and descriptions appear as ??? | MED1 C1NE
|
| Reversed controls | DRAW KCAB
|
| Slow motion while character is idle;music speed altered with movement speed | SL0W 4ME2
|
| Sound effects replaced with farts | FART SNDS
|
| Start with 69 coins and have to purchase all items and pickups | FREE 2PAY or PAY2 PLAY
|
| Take damage when idle | D0NT ST0P
|
| Tarot cards are face down when collected | FACE D0WN
|
| The lower your health, the slower the music | HART BEAT
|
| Ticking starts every 45 seconds,after 5 seconds Isaac takes half heart of damage | THEG H0ST
|