Try to limit them to 5 and under (Xiaou, I'm winking at you.)
But but but ... !
That Osman is such a Strider rip off, but I love me some more Strider.
Funny that it's by Mitchell corp. They threatened to sue Popcap over the game Zuma, claiming it was ripping off their old game Puzzloop.
It's the same lead developer/designer as Strider tho, so you can consider it a semi-sequel.
Strider
# Object designers : Shinji Sakashita (Sakashita Thing), Take Pong, Tisshu, Makizoe, Tery, Terabo, Hisabo, Kuribo, Komsan, Gin
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# Scroll designers : Teiki, Rie.Poo, Ziggy, Rinma, Marilyn Higuchi, Morilyn, Kintaro
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# Soft programmers : T. Maruchi, Tae 250r, Mikkun, Tadaken, Kanekon, Dorompa.E, Ka~kuny, Check.Masa
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# Music by : Junko Tamiya
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# Planning advisers : Tokuro Fujiwara (Arthur), Yossan
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# Game planner : Hiroichi Yotsui (Isuke)
Osman
# Stage Design : Milk Tea, K.Nozawa, Stily-Stilie, Q.B.B.
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# Object Design : Utata Kiyoshi, Ava, N.N, K.Tatsu, Otasuke-P, Tsukahira
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# Ryu, Mazin, Ojiji, Kuro
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# Sound Music : Tago Saku
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# Voice : Fujii Masayo, Mr.Matsushita
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# Program : Namcho, Br.Coin
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# Game Design : IsukeThe Michell hardware* might have had a lower resolution and worse sound system, but given that the same guy designed the game, I don't think you can call it a rip-off.
* actually Data East hardware in this case, they had strong ties with both Capcom and Data East in terms of hardware use.