Made for TweetTweetJam 8

Controls 

Use the arrow keys to move the fish left and right. You ascend automatically, but boulders will push you back down.

Goal

Reach the top by slowly ascending the waterfall while dodging falling rocks.

The time needed will be displayed on the top left corner.

Code

this is all the code used for the game:

poke(0x5f2c,3)x,w,v,d,l=9,20,5,0,58::_::o=t()s=o\1
b=btn()n=rnd
r=rectfill
c=circfill
m=srand
cls(1)m(13)
for k=0,40do
a=(n(50)+t()*99)%50+8
j=n(l)+4
r(j,a,j,a+n(8)+1,6)end
m(o)r(0,0,63,7,12)r(0,7,3,l,5)r(60,7,63,l)
for k=0,55do
r(4+k,8,4+k,8+n(5),7)end
?s,1,1
if(b>0)x+=b*20-30
x=mid(9,x,49)y=50-s
j=y+n(2)+d
q="き"
if((o*4)%2<1)q="チ"
?q,x-2,j,9
v=(v+3)%90if(v>80)w=n(5)\1*10+9
c(w,2+v,3,4)
if(abs(v-j)<3and w==x)c(x,j,4,8)d=s
for h=0,99do
c(n(64),56+n(9),n(2)+1,7)end
if(j<6)stop()
flip()goto _