The following is a prototype of Sansuu Puzzle Game: Equal Card DS, developed by Denyusha. The game was distributed elsewhere be Natsume under the title “Math Play”.


  • Quite a few files within the data folder contain differences.
  • The sound data file does not match retail.


Screenshot Screenshot Screenshot

ROM Information

----| File Data |--------------------------------------------------
System:             Nintendo - Nintendo DS    
File:               NINTENDO_____NTRJ01_00.nds
BitSize:            2 Gbit
Size (Bytes):       268435456
CRC32:              79494FC5
MD5:                862A8849700B99F67ACE4A16EB77CFF0
SHA1:               4C05EC543F2D603F94C41071F0B43631EAD4B1C0
SHA256:             CBD1480B596C22D13278588DD2F64C0125472A5549C46F4823C15A0F0E527457
----| Header Data |------------------------------------------------
Game Title:         NINTENDO    
Game Serial:        NTRJ (Japan)
Maker Code:         01 (Nintendo)
Unit Code:          0x00
Encryption Seed:    0x00
Device Size:        0x0B (Ok; -2147483648 bit; 268435456 Bytes; 64 Mbit Size-Fixed)
Asian Region:       0x00
Reserved 1:         0x000000000000000000
Version:            0x00 (v1.0)
Autostart:          0x40 (No)
ARM9 ROM Offset:    0x00004000
ARM9 Entry Address: 0x02000850
ARM9 RAM Offset:    0x02000000
ARM7 ROM Offset:    0x000A5600
ARM7 Entry Address: 0x02380000
ARM7 RAM Offset:    0x02380000
FNT Offset:         0x000CDE00
FNT Size:           0x0000101E
FAT Offset:         0x000CF000
FAT Size:           0x000006F8
ARM9 Overlay Offset:0x00000000
ARM9 Overlay Size:  0x00000000
ARM7 Overlay Offset:0x00000000
ARM7 Overlay Size:  0x00000000
Normal CMD Setting: 0x00416657
Key1 CMD Setting:   0x081808F8
Icon Address:       0x000CF800
Secure CRC16:       0xFFDF (Ok)
Secure Timeout:     0x0D7E
ARM9 Autoload Address:0x02000AB8
ARM7 Autoload Address:0x02380158
Secure Disable:     0x0000000000000000
Used Rom Size:      0x00616EC0 (6385344 Bytes)
Header Size:        0x00004000 (16384 Bytes)
Logo CRC16:         0xCF56 (Ok)
Header CRC16:       0x5CC2 (Bad; 0x0000)
----| Icon/Title Data |--------------------------------------------
Icon Version:       0x0001
Icon CRC16:         0x595A (Ok)
Japanese Title:
イコールカード DS

Board / Cartridge Images

Cart Front

Special Thanks

Massive thanks to Voodooween for sending this in for release!


Download Sansuu Puzzle Game - Equal Card DS (Japan) (Prototype)