PlusROM High Score Club

Improved version by Nukey Shay

Instructions:
 Game variations follow the original manual with these exceptions:

 Console switches:
 * Color/B&W is used to toggle NTSC/PAL60 modes (except while the power-up title is displayed).
 * Left difficulty selects the base width of BOTH players.
 * Right difficulty selects between single and double shots (in non-simultanous variations).

Game Variations:
 Basic Game   A.  1  2  3   4   5   6   7   8   9  10  11  12  13  14  15  16
 Alt          B. 17 18 19  20  21  22  23  24  25  26  27  28  29  30  31  32
 Comp         C. 33 34 35  36  37  38  39  40  41  42  43  44  45  46  47  48
 Comp AS      D. 49 50 51  52  53  54  55  56  57  58  59  60  61  62  63  64
 P1MR P2ML    E. 65 66 67  68  69  70  71  72  73  74  75  76  77  78  79  80
 Alt F&C      F. 81 82 83  84  85  86  87  88  89  90  91  92  93  94  95  96
 P1M P2F      G. 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
 MS               -  X  -   X   -   X   -   X   -   X   -   X   -   X   -   X
 ZB               -  -  X   X   -   -   X   X   -   -   X   X   -   -   X   X
 FB               -  -  -   -   X   X   X   X   -   -   -   -   X   X   X   X
 II               -  -  -   -   -   -   -   -   X   X   X   X   X   X   X   X

Abbreviations:
 Alt:       2 Player Alternating Turns
 Comp:      2 Player Competing at Same Time
 Comp AS:   2 Player Competing at Same Time Alternating shots
 P1MR P2ML: 2 Player One Player Moves Right Other Player Moves Left
 Alt F&C:   2 Player Alternating Fire & Control
 P1M P2F:   2 Player One Player Moves Other Players Fires
 MS:        MOVING SHIELDS
 ZB:        ZIGZAGGING BOMBS
 FB:        FAST BOMB
 II:        INVISIBLE INVADERS