I managed to get the game running on another computer and I enjoyed it very well, congrats !
Here's the log I have on my old computer :
Creating WebGL 2.0 context. UnityLoader.js:4:11179 Renderer: Mozilla 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Vendor: Mozilla 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Version: OpenGL ES 3.0 (WebGL 2.0) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 GLES: 3 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 EXT_color_buffer_float GL_EXT_color_buffer_float EXT_float_blend GL_EXT_float_blend EXT_texture_compression_bptc GL_EXT_texture_compression_bptc EXT_texture_compression_rgtc GL_EXT_texture_compression_rgtc EXT_texture_filter_anisotropic GL_EXT_texture_filter_anisotropic OES_texture_float_linear GL_OES_texture_float_linear OVR_multiview2 GL_OVR_multiview2 WEBGL_compressed_texture_etc GL_WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc GL_WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb GL_WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info GL_WEBGL_debug_renderer_info WEBGL_debug_shaders GL_WEBGL_debug_shaders WEBGL_lose_context GL_WEBGL_lose_context 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 OPENGL LOG: Creating OpenGL ES 3.0 graphics device ; Context level <OpenGL ES 3.0> ; Context handle 21004384 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/Debug/Histogram shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/Debug/LightMeter shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/MultiScaleVO shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/Debug/Waveform shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/ScreenSpaceReflections shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 ERROR: Shader 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Hidden/PostProcessing/Debug/Vectorscope shader is not supported on this GPU (none of subshaders/fallbacks are suitable) 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 UnloadTime: 2.000000 ms 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 warning: 2 FS.syncfs operations in flight at once, probably just doing extra work 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:100914 Input Manager initialize... 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(94) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(94) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(94) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Lut2DBaker' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(55) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(55) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(55) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Lut2DBaker' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(55) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(55) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(55) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Lut2DBaker' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(68) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(68) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(68) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Lut2DBaker' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(159) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(159) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(159) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Uber' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(123) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(123) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(123) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Uber' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 0(114) : error C7532: global function uintBitsToFloat requires "#version 330" or later 0(114) : error C0000: ... or #extension GL_ARB_shader_bit_encoding : enable 0(114) : error C0000: ... or #extension GL_ARB_gpu_shader5 : enable 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 Note: Creation of internal variant of shader 'Hidden/PostProcessing/Uber' failed. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:49057 WebGL warning: drawElementsInstanced: Tex image TEXTURE_2D level 0 is incurring lazy initialization. 70696c46-ac1e-4236-a47d-98bd2649e0ca:8:264995 RenderingCommandBuffer: invalid pass index 2 in DrawMesh (Filename: Line: 0)