Hidden content
From NEC Retro
Hidden content refers to content that is not documented in any instruction manuals nor seen in normal play. This can range from cheats that require the player to input hidden passwords or button sequences at certain points, Easter eggs programmed in by developers for clever players to find, debugging tools, unused code, or even features that had to be cut due to developers struggling to get a game in stores by a certain date. More often than not, scrapped features can be accessed using in-game cheats, through the use of cheat devices, or by hacking/datamining.
This category documents all of these hidden tidbits found in games released for NEC systems, be it cheats, unused graphics, music, or otherwise. This does not include content unlocked in normal play unless there is a hidden code to unlock it immediately.
Pages in category "Hidden content"
The following 200 pages are in this category, out of 498 total.
(previous page) (next page)N
- Naxat Open/Hidden content
- Naxat Stadium/Hidden content
- Nazo no Mascarade/Hidden content
- Necros no Yousai/Hidden content
- Nekketsu Koukou Dodgeball Bu: PC Bangai Hen/Hidden content
- Nekketsu Koukou Dodgeball Bu: PC Soccer Hen/Hidden content
- Neo Nectaris/Hidden content
- Neutopia II/Hidden content
- New Adventure Island/Hidden content
- Nexzr/Hidden content
- NHK Okaasan to Issho Niko Niko Pun/Hidden content
- NHK Taiga Drama Taiheiki/Hidden content
- Ninja Ryuukenden/Hidden content
- Ninja Spirit/Hidden content
- The Ninja Warriors/Hidden content
- No-Ri-Ko/Hidden content
O
P
- P-47: The Freedom Fighter/Hidden content
- Pac-Land/Hidden content
- Pachio-kun 3 Pachislot & Pachinko/Hidden content
- Pachio-kun Maboroshi no Densetsu/Hidden content
- Pachio-kun Warau Uchuu/Hidden content
- Parasol Stars/Hidden content
- Parodius Da! Shinwa kara Owarai e/Hidden content
- Pastel Lime/Hidden content
- PC Engine mini/Hidden content
- PC Pachi-Slot: Idol Gambler/Hidden content
- Pop'n Magic/Hidden content
- Populous/Hidden content
- Populous: The Promised Lands/Hidden content
- Power Drift/Hidden content
- Power Eleven/Hidden content
- Power Golf/Hidden content
- Power League '93/Hidden content
- Power League 4/Hidden content
- Power League 5/Hidden content
- Power League II/Hidden content
- Power League III/Hidden content
- Power Tennis/Hidden content
- Princess Maker 1/Hidden content
- Princess Maker 2/Hidden content
- Princess Minerva/Hidden content
- Private eye dol/Hidden content
- The Pro Yakyuu Super '94/Hidden content
- The Pro Yakyuu Super/Hidden content
- Pro Yakyuu World Stadium '91/Hidden content
- Pro Yakyuu World Stadium/Hidden content
- The Pro Yakyuu/Hidden content
- Psychic Detective Series Vol. 3: AÝA/Hidden content
- Psychic Detective Series Vol. 4: Orgel/Hidden content
- Psychic Storm/Hidden content
- Psycho Chaser/Hidden content
- Psychosis/Hidden content
- Punch Ball Mario Bros./Hidden content
- Puyo Puyo CD Tsuu/Hidden content
- Puyo Puyo CD/Hidden content
- Puzzle Boy/Hidden content
- Puzznic/Hidden content
Q
R
- R-Type Complete CD/Hidden content
- R-Type I/Hidden content
- R-Type II/Hidden content
- R-Type/Hidden content
- Rabio Lepus Special/Hidden content
- Racing Damashii/Hidden content
- Raiden/Hidden content
- Rainbow Islands/Hidden content
- Ranma ½/Hidden content
- Ranma ½: Datou, Ganzo Musabetsu Kakutou Ryuu!/Hidden content
- Rayxanber III/Hidden content
- Relics/Hidden content
- Riot Zone/Hidden content
- Road Spirits/Hidden content
- Rock-On/Hidden content
- Rom Rom Stadium/Hidden content
- Ruin: Kami no Isan/Hidden content
- Ryuu Kyuu/Hidden content
- Ryuuko no Ken/Hidden content
S
- Saint Dragon/Hidden content
- Samurai-Ghost/Hidden content
- Seirei Senshi Spriggan/Hidden content
- Seisenshi Denshou: Jantaku no Kishi/Hidden content
- Seiya Monogatari: AnEarth Fantasy Stories/Hidden content
- Sekigahara/Hidden content
- Sengoku Kantou Sangokushi/Hidden content
- Sexy Idol Mahjong: Fashion Monogatari/Hidden content
- Shadow of the Beast/Hidden content
- Shanghai II/Hidden content
- Shanghai III: Dragon's Eye/Hidden content
- Shape Shifter/Hidden content
- Shinobi/Hidden content
- Shiryou Sensen: War of the Dead/Hidden content
- Shockman/Hidden content
- Side Arms/Hidden content
- Silent Debuggers/Hidden content
- Silpheed/Hidden content
- Sinistron/Hidden content
- Slime World/Hidden content
- Slot Shoubushi/Hidden content
- Snatcher CD-ROMantic/Hidden content
- Sol Bianca/Hidden content
- Sol Moonarge/Hidden content
- Soldier Blade Special Version/Hidden content
- Soldier Blade/Hidden content
- Solid Force/Hidden content
- Somer Assault/Hidden content
- Son Son II/Hidden content
- Sotsugyou II Neo Generation/Hidden content
- Sotsugyou Shashin: Miki/Hidden content
- Sotsugyou: Graduation/Hidden content
- Space Adventure Cobra II: Densetsu no Otoko/Hidden content
- Space Adventure Cobra: Kokuryuuou no Densetsu/Hidden content
- Space Harrier/Hidden content
- Space Invaders: Fukkatsu no Hi/Hidden content
- Sparkling Feather/Hidden content
- Special Criminal Investigation/Hidden content
- Spiral Wave/Hidden content
- Splatterhouse/Hidden content
- Spriggan Mark 2: Re-Terraform Project/Hidden content
- Star Breaker/Hidden content
- Star Parodier/Hidden content
- Startling Odyssey II: Maryuu Sensou/Hidden content
- Steam-Heart's/Hidden content
- Stratego/Hidden content
- Strider Hiryuu/Hidden content
- Summer Carnival '92: Alzadick/Hidden content
- Summer Carnival '93: Nexzr Special/Hidden content
- Super Air Zonk: Rockabilly-Paradise/Hidden content
- Super Albatross/Hidden content
- Super Daisenryaku/Hidden content
- Super Darius II/Hidden content
- Super Darius/Hidden content
- Super Metal Crusher/Hidden content
- Super Momotarou Dentetsu II/Hidden content
- Super Momotarou Dentetsu/Hidden content
- Super Raiden/Hidden content
- Super Rambo/Hidden content
- Super Real Mahjong P IV Custom/Hidden content
- Super Real Mahjong P V Custom/Hidden content
- Super Real Mahjong P.V FX/Hidden content
- Super Schwarzschild 2/Hidden content
- Super Schwarzschild/Hidden content
- Super Star Soldier/Hidden content
- Super Volleyball/Hidden content
- Susano-ou Densetsu/Hidden content
- Sword Master/Hidden content
- Syd Mead's Terraforming/Hidden content
- Sylphia/Hidden content
T
- Tadaima Yuusha Boshuuchuu/Hidden content
- Taiheiki/Hidden content
- Taiyou no Shinden: Asteka II/Hidden content
- Takeda Shingen/Hidden content
- Takin' it to the Hoop/Hidden content
- TaleSpin/Hidden content
- Tanjou: Debut/Hidden content
- Tatsujin/Hidden content
- Tecmo World Cup Super Soccer/Hidden content
- Tenchi Muyou! Ryououki/Hidden content
- Tengai Makyou II: Manji Maru/Hidden content
- Tengai Makyou: Deden no Kabuki-den/Hidden content
- Tengai Makyou: Fuun Kabuki Den/Hidden content
- Tengai Makyou: Ziria/Hidden content
- Tenshi no Uta II: Datenshi no Sentaku/Hidden content
- Tenshi no Uta/Hidden content
- Terra Cresta II: Mandler no Gyakushuu/Hidden content
- Tetris/Hidden content
- Thunder Blade/Hidden content
- Tiger Road/Hidden content
- Time Cruise II/Hidden content
- Titan/Hidden content
- Toilet Kids/Hidden content
- Tokimeki Card Paradise: Koi no Royal Straight Flush/Hidden content
- Tokimeki Memorial/Hidden content
- Top Management II/Hidden content
- Top o Nerae! GunBuster Vol. 1/Hidden content
- Top o Nerae! GunBuster Vol. 2/Hidden content
- Toshi Tensou Keikaku: Eternal City/Hidden content
- The Tower of Druaga/Hidden content
- Toy Shop Boys/Hidden content
- Tricky Kick/Hidden content
- Tsuppari Oozumou: Heisei Ban/Hidden content
- TurboDuo 3-in-1 CD/Hidden content
- Turrican/Hidden content
- TV Sports Football/Hidden content