From the developer:
Level 02: Power Plant: QSTRGVJQIEEDBAAAAI
Level 03: Haunted House: YCSJGVSQIEEDBAAAAI
Level 04: Fary Forest: UNWZGVEQSI2AIAAAAI
Level 05: Luring Lagoon: STVFGVUSCIMDIAAAAA
Level 06: Wyld West: 4URVJFBQEE2CJAAAAQ
Level 07: Capital City: 4URNGV2SEIUBIAAAAQ
From someone playing the game...
Stream 1 - Level 2: CXRROVEAZAABIAAAAA
Stream 1 - Level 3: RCLIAVIA4KABIAAAAA
Stream 2 - Level 2: MDQTOVAAUAACIAAAAI
Stream 2 - Level 3: JRNLKVUA4JATIAAAAA
Stream 2 - Level 4: WF31OFZQ5AABIAAAAY
Stream 2 - Level 5: WZQGZALAXACCI0JAAQ
Stream 2 - Level 6: TIZXETQCGAACI0BAAY
Stream 2 - Level 7: MNSMCF2BEAIBIAAAAI
The developer very kindly provided a free version of Tailchaser on his site. The problem is that to get it working in Dosbox, you have to mind a couple of details.
imgmount d -t iso "C:\iso\TAILCHASER-DEV.iso" d: TAIL.EXE