First select Rune Glifberg, then select the San Fran level, make your way to the hidden tape, then on the final ramp before the big jump(orange colour), pause and enter the slow mo cheat, and also enter the full special bar cheat.
Unpause and right at the edge, jump off the edge and do his Christ Air move.
You can make about 15 spins plus the pagoda gap. My record for this is 250,350 points. Not bad!!!
More tricks, tips and cheats for this game are right here - Tony Hawk's Pro Skater cheats
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