Drive with arrow keys and Draw the balast back with X and launch projectile with Z.

Lower first Bomb with T and Drop with G.
Lower second Bomb with Y and release with H.
Lower third Bomb with U and release with J.
Lower fourth Bomb with I and release with K.
Lower fifth Bomb with O and release with L.

This is version 6
Also added version 5.0


V5  Controls:

Drive with arrow keys and Draw the balast back with Z and launch projectile with X.

Lower first grabber with F, drop ball with V, lift grabber with R.
Lower second grabber with G, drop ball with B, lift grabber with T.
Lower third grabber with H, drop ball with N, lift grabber with Y.
Lower fourth grabber with J, drop ball with M, lift grabber with U.
Lower fifth grabber with K, drop ball with , (comma), lift grabber with I.
Lower sixth grabber with L, drop ball with . (period), lift grabber with O.